Eaton Fuller RTO-9109A-AT Parts Manual

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Air Sys-Power Synchro

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
13	12880	Elbow	2	1/8"	$5.59	Add to Cart
14	55526	Hose Assy	1	26"	$19.65	Add to Cart
15	55523	Hose Assy	1	29"	$18.28	Add to Cart
16	18769	Hose Clamp	1	Replaces 12152.	$4.43	Add to Cart
17	12845	Elbow	2	1/8"	$5.13	Add to Cart

Air Sys-Range

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	K-2979	Range Valve Kit	1	Replaces A-5363.	—	Call for availability
2	22551	Gasket	1		—	Call for availability
3	22639	Plug	2		—	Call for availability
4	4300810	Insert Valve	2	Replaces 22641, 4303615.	$75.03	Add to Cart
5	X-3-500	Lockwasher	4	5/16"	$1.66	Add to Cart
6	X-8-546	Screw	4	5/16"-18X2"	—	Call for availability
7	12880	Elbow	2	1/8"	$5.59	Add to Cart
8	55505	Hose Assy	1	16"	$20.34	Add to Cart
9	55533	No Longer Available	1	17-1/2"	—	Call for availability
10	12880	Elbow	1	1/8"	$5.59	Add to Cart
11	12845	Elbow	1	1/8"	$5.13	Add to Cart

Auxiliary Drive Gear

Item	Part No.	Description	Qty	Notes	Price
1	16763	Snap Ring	2		$2.01	Add to Cart
2	21320	Snap Ring Retainer	1	RTO ONLY	$29.52	Add to Cart
3	16628	Snap Ring	1		$4.37	Add to Cart
4	5566507-BOX	Bearing	1	Replaces 5566504, 5566507.	$73.44	Add to Cart
5	16138	Bearing Retainer	1		$58.58	Add to Cart
6	X-8-645	Capscrew	6	Replaces X8612. 3/8"-16X1"	$1.78	Add to Cart
7	17453	O-ring	2		$5.35	Add to Cart
9	K-2634	No Longer Available	1	Replaces 4300549.	—	Call for availability

Bar Housing Assy

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	K-2754	Shift Bar Hsg Assy	1	Replaces 22596. HOUSING ONLY	—	Call for availability
2	4302676	Gasket	1	Replaces 14918.	$5.64	Add to Cart
3	1069	Spring	3		$5.76	Add to Cart
4	X-14-800	Steel Ball	3	1/2"	$1.78	Add to Cart
5	15900	Gasket	2		$2.24	Add to Cart
6	691744	Shift Sensor Switch	2	Replaces 22565.	—	Call for availability
7	691316	Actuating Switch Pin	1	Replaces 23112.	—	Call for availability
8	X-8-691	Capscrew	3	3/8"-16X1"	—	Call for availability
9	62516	Roll Pin	2	Replaces 62521.	$1.84	Add to Cart
10	K-2980	Sensor Update Kit	2	Replaces 22567, K-2631.	—	Call for availability
11	X-12-102	Plug	1		—	Call for availability
12	K-3271	Neutral Switch Kit	1	Replaces 22603.	—	Call for availability
13	691314	Actuating Shaft Switch	1	Replaces 22601.	—	Call for availability
14	22604	Spring	1		—	Call for availability
15	22600	Yoke Bar	1	LOW/REVERSE	$134.69	Add to Cart
16	3220	Lockscrew	5		$4.28	Add to Cart
17	22434	Yoke	1	LOW/REVERSE	—	Call for availability
18	22593	Yoke Bar	1	1ST/2ND	—	Call for availability
19	691600	Shift Yoke	1	Replaces 4302994. 1ST/2ND	$301.54	Add to Cart
22	14658	Shift Block	1	1ST/2ND	$43.77	Add to Cart
23	22594	Yoke Bar	1	3RD/4TH	—	Call for availability
24	4303273	Shift Block	1	Replaces 22602. 3RD/4TH	—	Call for availability
25	691601	Shift Yoke	1	Replaces 4302212. 3RD/4TH	$289.67	Add to Cart
999	S-1876	Shift Bar Hsg Assy	1	Replaces 22596. COMPLETE	—	Call for availability

Case (Aux)

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	K-3651	Oil Seal Tool Kit	1		—	No longer available — call for replacement
2	K-2262	Oil Seal W/slinger	1	Replaces 1910920807, 20808. "FOR MECHANICAL COVER"	$26.86	Add to Cart
3	X-8L-605	Capscrew	5	3/8"-16X3"	$4.71	Add to Cart
4	S-2178	No Longer Available	1	Replaces 4302015.	—	Call for availability
5	23646	Lifting Eye	1		—	Call for availability
6	15532	Gasket	1		$3.19	Add to Cart
7	20224	Plug-magnetic	2		$9.19	Add to Cart
8	20225	O-ring	2	USE W/20224 PLUG OR OEM SUPPLIED NON-ADJUSTABLE SPEEDOMETER SENSOR NOT TO BE USED WITH 4301954 SEAL	$2.06	Add to Cart
8	4301954	Sensor Seal	2	O-RING NOT REQUIRED	$4.84	Add to Cart
9	20226	Plug-mechanical	1	Replaces 2237.	$4.15	Add to Cart
10	14142	O-ring	1		$1.96	Add to Cart
11	7992	Bushing	1		$5.82	Add to Cart
12	X-8L-602	Capscrew	4	3/8"-16X1-1/2"	$2.09	Add to Cart
13	22419	Rear Bearing Cover	1		—	Call for availability
14	22420	Gasket	1		$4.83	Add to Cart
15	22400	Rear Housing	1		—	Call for availability
16	14335	Gasket	1		$4.43	Add to Cart
17	X-8-6101	Capscrew	2	3/8"-16X1-1/2"	—	Call for availability
17	X-8L-609	Capscrew	10	3/8"-16X1-3/4"	$2.11	Add to Cart
17	X-8L-614	Capscrew	6	3/8"-16X2"	$3.24	Add to Cart
18	19709	Collar	1		$2.04	Add to Cart
19	17106	Gasket	1		$1.63	Add to Cart
20	X-8-682	Capscrew	1	3/8"-16X3"	$2.17	Add to Cart

Case (Front)

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	S-1785	Case Assy	1	Replaces 23583.	—	Call for availability
2	14373	Magnet	3		$3.89	Add to Cart
3	X-8-686	Capscrew	6	3/8"-16X3/4"	$1.97	Add to Cart
4	14575	Pto Cover	1	Replaces 4302254.	$14.97	Add to Cart
5	4305309	Gasket	1	Replaces 1684.	$8.58	Add to Cart
6	X-1-1012	Hex Nut	2	.625-18	$2.04	Add to Cart
7	X-10-1005	Washer	2	Replaces X31000, X101000, X101004. 1.23 X 6.60	$1.50	Add to Cart
8	14554	Stud	2	Replaces 1632, 6579. 5/8" X 2-3/16"	$3.29	Add to Cart
9	X-8-725	Capscrew	8	Replaces X8724. 7/16"-14X7/8"	$2.42	Add to Cart
10	4302809	Pto Cover	1	Replaces 16596, 4300571.	$19.11	Add to Cart
11	4305310	Gasket	1	Replaces 4302810.	$8.53	Add to Cart
12	22507	Gasket	1		—	Call for availability
13	X-12-802	Pipe Plug	1	Replaces X12800. 1/2"	$1.94	Add to Cart
16	4304023	Plug	1	Replaces 4303747. 1-1/16" MAGNETIC, O-RING INCLUDED	$15.41	Add to Cart
16	X-12-1207	Pipe Plug	1	Replaces X121202, X121206. 3/4" MAGNETIC	$4.53	Add to Cart
17	4306583	Stud	4	Replaces 5966.	$3.21	Add to Cart
18	X-10-1005	Washer	6	Replaces X31000, X101000, X101004. 1.23 X 6.60	$1.50	Add to Cart
19	X-1-1012	Hex Nut	6	.625-18	$2.04	Add to Cart
20	22916	Stud	2		—	Call for availability
21	14334	Dowel	2		$5.33	Add to Cart
22	X-8-808	Capscrew	4	1/2"-13X1-1/4"	$2.75	Add to Cart
23	X-10-802	No Longer Available	4	1/2" PLAIN	—	Call for availability
24	4304023	Plug	1	Replaces 4303747. 1-1/16" MAGNETIC, O-RING INCLUDED	$15.41	Add to Cart
24	X-12-2007	Pipe Plug	1	Replaces X122006.	$9.36	Add to Cart

Converter Housing Assy

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	X-8-693	Capscrew	2	3/8"-16X2-1/4"	—	Call for availability
1	X-8L-626	Capscrew	2	3/8"-16X2-1/4"	$7.82	Add to Cart
1	X-8L-681	Capscrew	6	3/8"-16X2-3/4"	—	Call for availability
2	A-5552	Valve Assy	1		—	Call for availability
3	X-12-210	Pipe Plug	4	1/8"	—	Call for availability
4	22532	Gasket	1		—	Call for availability
5	22533	No Longer Available	1		—	Call for availability
6	22534	Gasket	1		—	Call for availability
7	X-12-802	Pipe Plug	1	Replaces X12800. 1/2"	$1.94	Add to Cart
8	4300315	Elbow	1		—	Call for availability
9	23109	O-ring	1		—	Call for availability
10	X-8L-645	Capscrew	2	3/8"-16X1"	—	Call for availability
11	23645	Lifting Eye	2	90 DEG.	—	Call for availability
12	K-2632	Eng Speed Sensor Kit	1	Replaces 22569.	—	Call for availability
13	22504	O-ring	1		—	Call for availability
14	23573	Instruction Tag	3		$1.79	Add to Cart
15	X-8-1202	Screw	3	3/4"-10X1"	—	Call for availability
16	K-2911	Oil Pump Kit	1	Replaces 4300747, 4302714.	—	Call for availability
17	X-8C-604	Capscrew	2	3/8"-16X1-1/4"	$3.74	Add to Cart
18	691342	Seal Ring	1	Replaces 5568503.	—	Call for availability
19	22430	O-ring	1		—	Call for availability
20	23220	Filter Bowl	1		—	Call for availability
21	X-8-6105	Screw	3	Replaces X86106. 3/8"-16X1-1/4"	—	Call for availability
22	X-3-607	Conical Washer	3	3/8"	$2.88	Add to Cart
23	22510	Oil Filter	1		—	Call for availability
24	23108	O-ring	1		—	Call for availability
25	22512	Nipple	1		—	Call for availability
26	A-5732	Relief Valve Assy	1		—	Call for availability
27	23029	O-ring	1		—	Call for availability
28	23028	Plug	1		—	Call for availability
29	22474	Gasket	1		—	Call for availability
30	X-3-507	Conical Washer	2	5/16"	—	Call for availability
31	X-8-550	Capscrew	2	5/16"-18X1" 12 PT	—	Call for availability
32	4301601	Oil Transfer Tube	1	Replaces 4300434.	—	Call for availability
33	14373	Magnet	1		$3.89	Add to Cart
34	4300432	Oil Pan	1		—	Call for availability
35	4300484	Washer	1		—	Call for availability
36	4300438	Drain Plug	1		—	Call for availability
37	X-3-507	Conical Washer	20	5/16"	—	Call for availability
38	X-8-550	Capscrew	20	5/16"-18X1" 12 PT	—	Call for availability
39	23109	O-ring	1		—	Call for availability
40	22431	Connector	1		—	Call for availability
41	5500503	Oil Fill Tube	1	STANDARD	—	Call for availability
42	5501020	Dipstick	1	Replaces 5501003. STANDARD	$59.05	Add to Cart
43	23029	O-ring	1		—	Call for availability
44	A-5754	Valve Assy	1		—	Call for availability
45	4300452	Cap	1		—	Call for availability
46	K-2626	#2 Converter Hsg Kit	1	Replaces 4300324.	—	Call for availability
47	4302219	Snap Ring	1		—	Call for availability
48	4302216	Pump Gear	1		—	Call for availability
49	X-1-1008	Nut	1	5/8"-18	$2.32	Add to Cart
50	22499	Seal Ring	1		—	Call for availability
51	A-7119	Filter Bypass Valve Assy	1	Replaces A-6067, A-6393.	—	Call for availability
55	X-8-601	Capscrew	1	3/8"-16X3/4"	$1.58	Add to Cart
56	4300626	Clamp	1		—	Call for availability
57	X-10-605	Washer	1	3/8"	$3.15	Add to Cart
58	X-9-604	Nut	1	3/8"-16	—	Call for availability
60	12845	Elbow	2	1/8"	$5.13	Add to Cart

Countershaft & Brgs(Aux)

Item	Part No.	Description	Qty	Notes	Price
1	8879	Bearing	2		$70.13	Add to Cart
2	A-5736	Welded Countershaft Assy	2	Replaces A-4722, A-4976. C/S 4300319 - D/G 19255	$267.10	Add to Cart
3	81052	Bearing	2	Replaces 81008.	$59.71	Add to Cart
4	16723	Snap Ring	2		$2.12	Add to Cart

Countershaft Assy

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	14317	Snap Ring	2		$1.81	Add to Cart
2	14366	Bearing	2		$54.68	Add to Cart
3	K-2934	Cntrshft-upper	1	Replaces 19549.	$357.67	Add to Cart
3	K-3783	Cntrshft-lower	1	Replaces 20804, 4301054, K-2935.	$315.43	Add to Cart
4	X-6-E	Key	2		—	No longer available — call for replacement
5	62511	Roll Pin	4		$1.54	Add to Cart
6	4304840	Key	2	Replaces 19673.	$12.44	Add to Cart
7	4306076	1ST Gear-cntrshft	2	Replaces 19247, 20471.	$111.39	Add to Cart
8	20482	2ND Gear-cntrshft	2	Replaces 19615.	$101.39	Add to Cart
9	4305661	Od Gear-cntrshft	2	Replaces 19631, 19633, 20481, 4302233, 20459.	$145.15	Add to Cart
10	15953	Pto Gear - Lower	1		$103.41	Add to Cart
10	20840	Pto Gear - Upper	1		$105.45	Add to Cart
11	4305657	Drive Gear-cntrshft	2	Replaces 19240, 19243, 20392, 4302087, 21020.	$118.01	Add to Cart
12	19198	Snap Ring	2		$2.12	Add to Cart
13	4304599	Bearing	2	Replaces 43026774304598.	$64.23	Add to Cart
14	4304605	Retainer	2	Replaces 19548. ROLL PIN NO LONGER REQUIRED	$26.65	Add to Cart
15	X-7-1005	Capscrew	2	5/8"-18X1-3/4"	$5.13	Add to Cart

Ecu Controls

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
24	K-2983	Auto Shifter Kit	1	Replaces A-5517, K-2635.	—	Call for availability
24	K-2983R	Reman Autoshifter Kit	1	Replaces K-3080.	—	Call for availability
25	14197	O-ring	1		$4.68	Add to Cart
26	691303	Gasket	1	Replaces 22592.	—	Call for availability
27	X-10-600	Washer	4	3/8"	$1.13	Add to Cart
28	X-8-6101	Capscrew	4	3/8"-16X1-1/2"	—	Call for availability
45	22867	Yoke	4		—	Call for availability
46	X-16-700	Nut	4	7/16"-20	—	Call for availability
50	691744	Shift Sensor Switch	3	Replaces 22565.	—	Call for availability
	28.002	Autoselect Ecu P/n Chart	1		—	Call for availability
1	X-8-690	Capscrew	3	3/8"-16X5"	—	Call for availability
2	X-10-605	Washer	2	3/8"	$3.15	Add to Cart
3	X-1-604	Nut	1	3/8"-24	—	Call for availability
4	4300049	Shift Control Lever	1	5/6 POSITION	—	Call for availability
4	4300074	Shift Control Lever	1	7 POSITION	—	Call for availability
5	4300042	Shift Indicator Plate	1	5 POSITION	—	Call for availability
5	4300044	Shift Indicator Plate	1	6 POSITION	—	Call for availability
5	4300045	Shift Indicator Plate	1	7 POSITION	—	Call for availability
6	23473	Washer	15		$5.20	Add to Cart
7	22544	Washer	1		—	Call for availability
8	X-1-405	Nut	2	Replaces X9402.	$1.40	Add to Cart
9	4300054	Bracket	1	OPTION A - USE X-8-690 CAPSCREWS	—	Call for availability
9	4300055	Bracket	1	OPTION C - USE X-8-690 CAPSCREWS	—	Call for availability
9	4300056	Bracket	1	OPTION B - USE 2 PCS 4300051 AND X-8-6103 CAPSCREWS W/THIS BRACKET	—	Call for availability
10	4300053	Clamp	1		—	Call for availability
11	4300092	-u- Bolt	1		—	Call for availability
12	X-8-6100	Capscrew	1	3/8"-16X4-1/8"	—	Call for availability
13	X-8-647	Capscrew	9	3/8"-16X4-3/4"	$6.37	Add to Cart
15	4301116	Gasket	1		—	Call for availability
16	7935	Breather	1		$4.12	Add to Cart
17	9332	Bushing	1		—	Call for availability
18	X-12-405	Pipe Plug	1		$2.19	Add to Cart
19	X-8-615	Capscrew	2	3/8"-16X4-1/4"	—	Call for availability

Filter Regulator

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
2	K-1698	O-ring/element Kit	1	FOR FILTER REGULATOR	$16.42	Add to Cart
5	23607	Elbow	1		$7.43	Add to Cart
6	X-12-208	Pipe Plug	2	1/8" NPT	$2.30	Add to Cart
7	12880	Elbow	1	1/8"	$5.59	Add to Cart
8	15114	O-ring	2		$1.59	Add to Cart
9	A-5373	Filter Regulator Assy	1	Replaces 22677. 77 - 82 PSI	$127.18	Add to Cart
10	X-3-400	Lockwasher	2	1/4"	$1.17	Add to Cart
11	X-8-440	Screw	2	1/4"-20X2-1/4"	$1.87	Add to Cart

Harnesses & Hardware

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
7	A-5519	Harness Assy	1		—	Call for availability
8	4300689	Spacer	2		—	Call for availability
9	K-3201	Bracket Kit	1	Replaces 4300625, 4303346.	—	Call for availability
10	X-8L-681	Capscrew	2	3/8"-16X2-3/4"	—	Call for availability
11	11665	Clamp	2		$2.55	Add to Cart
12	X-1-809	Jam Nut	2	1/2"-20	—	Call for availability
13	X-10-605	Washer	1	3/8"	$3.15	Add to Cart
14	K-3201	Bracket Kit	1	Replaces 4300625, 4303346.	—	Call for availability
4	K-2981	Auto Shifter Kit	1	Replaces A-5518, K-2384.	—	Call for availability

Input Shaft & Drive Gear

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	22500	Input Shaft Oil Tube	1		—	Call for availability
2	16980	Snap Ring	1		$2.75	Add to Cart
3	81504	Bearing	1		$51.99	Add to Cart
4	16463	Spacer	1		$26.65	Add to Cart
5	14750	Snap Ring	1		$2.20	Add to Cart
6	21021	Drive Gear	1	Replaces 19241.	$142.76	Add to Cart
7	22428	Piston Ring	2		—	Call for availability
8	22508	Piston Ring	3		—	Call for availability
9	S-1644	Input Shaft Assy	1	Replaces 22483.	—	Call for availability
10	20171	Bushing	1		$6.86	Add to Cart

Kits & Assemblies

Part No.	Description	Qty	Notes	Price
K-1698	O-ring/element Kit	1	FOR FILTER REGULATOR	$16.42	Add to Cart
K-2172	Gasket Kit	1		—	Call for availability
K-2262	Oil Seal W/slinger	1	Replaces 1910920807, 20808. "FOR MECHANICAL COVER"	$26.86	Add to Cart
K-2290	Basic Rebuild Kit	1		—	Call for availability
K-2301	Filter Regulator Kit	1		—	Call for availability
K-2314	Oil Filter Kit	1		—	Call for availability
K-2385	Auto-shifter Kit	1		—	Call for availability
K-2393R	Reman Hydra Valve Kit	1	Replaces K-3084.	—	Call for availability
K-2397R	Reman Pwr Synchro Kit	1	Replaces K-3076. A-RATIO	—	Call for availability
K-2399	Convertor Seal Kit	1		—	Call for availability
K-2400R	Reman Pwr Synchro Kit	1	Replaces K-3077. B-RATIO	—	Call for availability
K-2403	Oil Pan Retro Kit	1	STANDARD	—	Call for availability
K-2439	Key & Washer Kit	1	CONTAINS 3-SIDED KEY	$104.71	Add to Cart
K-2504	Oil Pump Kit	1		—	Call for availability
K-2621	Power Synco Lube Kit	1		—	Call for availability
K-2626	#2 Converter Hsg Kit	1	Replaces 4300324.	—	Call for availability
K-2630	Repl Kit-drive Gear	1	Replaces 4300548. B-RATIO	—	Call for availability
K-2632	Eng Speed Sensor Kit	1	Replaces 22569.	—	Call for availability
K-2633	Ball Switch Kit	1		—	Call for availability
K-2642	6 Bolt Rotated Line Kit	1		—	Call for availability
K-2643	6 Bolt Oil Line Kit	1		—	Call for availability
K-2644	8 Bolt Oil Line Kit	1		—	Call for availability
K-2648R	Reman 14-B Cnvtr Kit	1	Replaces K-3081.	—	Call for availability
K-2649R	Reman 14-A Cnvtr Kit	1	Replaces K-3116.	—	Call for availability
K-2754	Shift Bar Hsg Assy	1	Replaces 22596. HOUSING ONLY	—	Call for availability
K-2802	O-ring Kit-range	1		$19.17	Add to Cart
K-2829	Small Parts Kit	1		$180.46	Add to Cart
K-2831	Cylinder Kit-range	1		—	Call for availability
K-2874	Throttle Sensor Kit	1	Replaces K-2325. 45" CABLE	—	Call for availability
K-2875	Throttle Sensor Kit	1	Replaces K-2505. 60" CABLE	—	Call for availability
K-2876	Throttle Sensor Kit	1	Replaces K-2324. 30" CABLE	—	Call for availability
K-2877	Sump Tube Return Kit	1	Replaces K-2620.	—	Call for availability
K-2911	Oil Pump Kit	1	Replaces 4300747, 4302714.	—	Call for availability
K-2934	Countershaft Repl Kit	1	Replaces 19549.	$357.67	Add to Cart
K-2980	Sensor Update Kit	1	Replaces 22567, K-2631.	—	Call for availability
K-2981	Auto Shifter Kit	1	Replaces A-5518, K-2384.	—	Call for availability
K-2982	Auto-shifter Harness Ki	1	Replaces K-2396. 24 VOLT	—	Call for availability
K-2983	Auto Shifter Kit	1	Replaces A-5517, K-2635.	—	Call for availability
K-2983R	Reman Autoshifter Kit	1	Replaces K-3080.	—	Call for availability
K-3651	Oil Seal Tool Kit	1		—	No longer available — call for replacement
K-3783	Countershaft Repl Kit	1	Replaces 20804, 22411, 4301054, K-2935.	$315.43	Add to Cart
S-1644	Input Shaft Assy	1	Replaces 22483.	—	Call for availability
S-1653	Stator Support Assy	1	Replaces 22489.	—	Call for availability
S-1785	Case Assy	1	Replaces 23583.	—	Call for availability
S-1876	Shift Bar Hsg Assy	1	Replaces 22596. COMPLETE	—	Call for availability
S-2688	Mainshaft Assy	1	Replaces 4303404, 4303913.	$149.23	Add to Cart

Mainshaft & Synchro(Aux)

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	14897	Spring	3		$1.40	Add to Cart
2	A-7331	Synchronizer Assy	1	Replaces 4304396, 4304397, A-5917. HI RANGE	$118.88	Add to Cart
3	22915	Sliding Clutch	1		$156.93	Add to Cart
4	A-7254	Synchronizer Assembly	1	Replaces A-4937, A-5876. LO RANGE	$146.52	Add to Cart
5	19281	Mainshaft	1		$202.16	Add to Cart
6	14332	Washer	1		$24.93	Add to Cart
7	23099	Washer	1		$68.38	Add to Cart
8	23129	No Longer Available	1		—	Call for availability
9	14327	Snap Ring	1		$2.85	Add to Cart
10	19466	Washer	1		$260.83	Add to Cart
11	14367	Bearing	1		$451.69	Add to Cart
12	20192	Spacer	1	Replaces 14375.	$36.80	Add to Cart
13	22254	Nut	1	Replaces 11956.	$15.84	Add to Cart

Mainshaft Assy

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	4304615	3-SIDED Key	1	Replaces 4300120.	$5.90	Add to Cart
1	K-2439	Key & Washer Kit	1	CONTAINS 3-SIDED KEY	$104.71	Add to Cart
2	S-2688	Mainshaft Assy	1	Replaces 4303404, 4303913.	$149.23	Add to Cart
3	62504	Roll Pin	1		$1.28	Add to Cart
4	14750	Snap Ring	5		$2.20	Add to Cart
5	16756	Reverse Gear- Mainshaft	1	Replaces 22408.	$93.74	Add to Cart
6	14749	Spacer	5		$6.93	Add to Cart
7	4300382	Washer .249-WHITE	5		$12.09	Add to Cart
7	4300383	Washer .254-GREEN	5	OPTIONAL 4300382-4300387 OR 4300830 USE ANY 5 WASHERS. USE WITH 3-SIDED KEY	$12.67	Add to Cart
7	4300384	Washer .259-ORANGE	5	OPTIONAL 4300382-4300387 OR 4300830 USE ANY 5 WASHERS. USE WITH 3-SIDED KEY	$12.34	Add to Cart
7	4300385	Washer .264-PURPLE	5	OPTIONAL 4300382-4300387 OR 4300830 USE ANY 5 WASHERS. USE WITH 3-SIDED KEY	$25.41	Add to Cart
7	4300386	Washer .269-YELLOW	5	OPTIONAL 4300382-4300387 OR 4300830 USE ANY 5 WASHERS. USE WITH 3-SIDED KEY	—	No longer available — call for replacement
7	4300387	Washer .274-BLACK	5	OPTIONAL 4300382-4300387 OR 4300830 USE ANY 5 WASHERS. USE WITH 3-SIDED KEY	$28.78	Add to Cart
7	4300830	Washer .244-BLUE	5		$9.36	Add to Cart
8	22412	Sliding Clutch	3		—	No longer available — call for replacement
9	16754	Lo Gear-mainshaft	1		$194.39	Add to Cart
10	20389	1ST Gear-mainshaft	1	Replaces 19246.	$143.09	Add to Cart
11	20390	2ND Gear-mainshaft	1	Replaces 19614.	$125.68	Add to Cart
12	19632	Od Gear-mainshaft	1		$115.68	Add to Cart

Miscellaneous

Part No.	Description	Qty	Notes	Price
4301065	Shift Diagram Label	1	5 POS REVERSE FORWARD	—	Call for availability
4301066	Shift Diagram Label	1	5 POS REVERSE REARWARD	—	Call for availability
4301067	Shift Diagram Label	1	6 POS REVERSE FORWARD	$28.59	Add to Cart
4301068	Shift Diagram Label	1	6 POS REVERSE REARWARD	—	Call for availability
4301120	Shift Diagram Label	1	7 POS REVERSE FORWARD	—	Call for availability
4301121	Shift Diagram Label	1	7 POS REVERSE REARWARD	—	Call for availability
71203	Silicone Lube	1	8 OZ (236.59 CC)-FLEET SIZE	$46.48	Add to Cart
71204	Adhesive Sealant	1	0.5 CC (SINGLE APPLICATION SIZE)	$10.64	Add to Cart
71205	Sealant	1	2 CC (SINGLE APPLICATION SIZE)	$10.82	Add to Cart
71206	Silicone Lube	1	4 CC (SINGLE APPLICATION SIZE)	$4.23	Add to Cart

Oil Line Return

Item	Part No.	Description	Qty	Notes	Price
1	4301100	Elbow	1	Replaces 23597.	—	Call for availability
2	4301101	Tube	1	Replaces 23778.	—	Call for availability
3	23596	Connector	1		—	Call for availability
4	23109	O-ring	1		—	Call for availability
1	13878	No Longer Available	1		—	Call for availability
2	4411	Elbow	1	45 DEG.	$9.09	Add to Cart
3	22541	Hose Assy	1		—	Call for availability
4	22413	Elbow	1		—	Call for availability
5	23109	O-ring	1		—	Call for availability

Oil Lines-Power Synchro

Item	Part No.	Description	Qty	Notes	Price
5	22427	Hose Assy	1		—	Call for availability
6	23486	Connector	1	STRAIGHT	—	Call for availability
7	22424	Elbow	1	90 DEGREE	—	Call for availability
8	22627	Oil Restrictor	1		—	Call for availability
9	11665	Clamp	1		$2.55	Add to Cart

Power Synchronizer

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
30	K-2397R	Reman Pwr Synchro Kit	1	Replaces K-3076.	—	Call for availability
31	22607	Gasket	1		—	Call for availability
32	62525	Roll Pin	2		—	Call for availability
33	X-10-401	Washer	2	9/32"	—	Call for availability
34	X-8-413	Capscrew	2	1/4"-20X1-1/2"	$1.33	Add to Cart
35	X-8L-636	Capscrew	7	3/8"-16X3-3/4"	$4.60	Add to Cart
36	X-8L-621	Capscrew	1	3/8"-16X5"	$4.23	Add to Cart

Range Cylinder

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	X-8L-604	Capscrew	4	3/8"-16X1-1/4"	$2.34	Add to Cart
2	19690	Cylinder Cover	1		$81.87	Add to Cart
3	14349	Gasket	1		$5.36	Add to Cart
4	14344	O-ring	1		$8.00	Add to Cart
5	14341	Piston	1	Replaces 23353.	$26.70	Add to Cart
6	X-8L-604	Capscrew	4	3/8"-16X1-1/4"	$2.34	Add to Cart
7	X-1-1010	Nut	1	5/8"-18	$2.11	Add to Cart
8	14345	O-ring	1		$1.84	Add to Cart
9	16993	Yoke Bar	1		—	Call for availability
10	22542	Bushing	1		$3.11	Add to Cart
11	14765	O-ring	1		$2.70	Add to Cart
12	A-5371	Range Cylinder Assy	1	Replaces 22543.	$113.97	Add to Cart
13	14347	Gasket	1		$2.29	Add to Cart
14	X-8-825	Capscrew	2	1/2"-13X2-3/8"	$5.14	Add to Cart
15	4301642	Shift Yoke	1	Replaces 22888.	—	Call for availability
16	22416	Bracket	1		$85.11	Add to Cart

Reverse Idler

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
1	X-1-1008	Nut	2	5/8"-18	$2.32	Add to Cart
2	14283	Washer	2		$4.40	Add to Cart
3	4302982	Washer	2	Replaces 14282.	$5.69	Add to Cart
4	14287	Bearing	2	Replaces 4305020.	$20.16	Add to Cart
5	16757	Reverse Idler Gear	2	Replaces 22409.	$145.40	Add to Cart
6	16403	Washer	2		$18.45	Add to Cart
7	K-3217	Idler Shaft Repl Kit	2	Replaces 4302981.	$75.22	Add to Cart
8	5202	Plug	2		$5.69	Add to Cart
9	14282	No Longer Available	2		—	Call for availability
11	4303336	Retaining Ring	2		$3.99	Add to Cart
12	X-7-1008	Capscrew	2	5/8"-18X1-1/4	$3.48	Add to Cart

Stator Support Assy

Item	Part No.	Description	Qty	Notes	Price
1	22496	Seal Ring	1		—	Call for availability
2	S-1653	Stator Support Assy	1	Replaces 22489.	—	Call for availability
3	22448	Gasket	1		—	Call for availability
4	X-14-700	Steel Ball	1	7/16"	$1.63	Add to Cart
5	22464	Spring	1		—	Call for availability
6	23616	Plug	1		—	Call for availability
7	X-8L-616	Capscrew	6	Replaces X8616. 3/8"-16X2-3/4"	$3.01	Add to Cart
8	X-12-208	Pipe Plug	2	1/8" NPT	$2.30	Add to Cart

Torque Converter Assy

Click a number on the diagram to highlight that part below.

Item	Part No.	Description	Qty	Notes	Price
30	X-8-645	Capscrew	8	Replaces X8612. 3/8"-16X1"	$1.78	Add to Cart
31	4301426	Pilot	1		—	Call for availability
32	22463	O-ring	1		—	Call for availability
33	22497	Seal Ring	2		—	Call for availability
34	22429	Snap Ring	1		—	Call for availability
35	K-2648R	Reman 14-B Cnvtr Kit	1	Replaces K-3081.	—	Call for availability

This is the complete factory parts breakdown for the Eaton Fuller RTO-9109A-AT — every part in the manual, matched to our live inventory. We stock 195 of the 384 parts below; click any part number to view it, or add it straight to your cart. Click a number on any diagram to jump to that part.

No parts match that search — try the part number with no dashes.

This is the Eaton Fuller Illustrated Parts List covering the RTO-9109A-AT transmission. Use it to identify every serviceable part in your unit — assemblies, gears, shafts, housings and seals — before you order replacements.

Models covered	RTO-9109A-AT
Transmission type	9-speed, twin-countershaft, heavy duty
Document	Illustrated Parts List (Eaton Fuller)
Length	39 pages
Format	PDF — view below or download free

What’s inside

Service kits & assemblies with recommended stocking quantities
Mainshaft & countershaft gear groups
Drive gears, idler & auxiliary drive gears
Case, clutch & shift-bar housings
Shift lever, forks & selector assemblies
Bearings, seals, snap rings & small parts
Air-shift and range-control components (where fitted)
Exploded parts diagrams with OEM part numbers

Eaton Fuller parts & units we stock

Pro Gear and Transmission stocks new, remanufactured and good-used parts for Eaton Fuller transmission units:

Not sure exactly which unit you have? Check our identification guides, or Ask an Expert — send us photos of your data tag and our drivetrain specialists will identify the unit and the exact parts you need. Or call (877) 776-4600.