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Eaton Fuller FS-8206A Parts Manual

This is the Eaton Fuller Illustrated Parts List covering the FS-8206A transmission. Use it to identify every serviceable part in your unit — assemblies, gears, shafts, housings and seals — before you order replacements.

Models coveredFS-8206A
Transmission type6-speed, twin-countershaft, heavy duty
DocumentIllustrated Parts List (Eaton Fuller)
Length19 pages
FormatPDF — 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

Read the manual

Download PDF

This is the complete factory parts breakdown for the Eaton Fuller FS-8206A — every part in the manual, matched to our live inventory. We stock 183 of the 218 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.

Case

Eaton Fuller FS-8206A Case exploded-view diagram

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

ItemPart No.DescriptionQtyNotesPrice
1S-1878Case Assy1Replaces 4300572. $1,262.86Add to Cart
2X-12-2007Pipe Plug1Replaces X122006. $9.36Add to Cart
3X-12-802Pipe Plug1Replaces X12800. 1/2"$1.94Add to Cart
44305309Gasket1Replaces 1684. $8.58Add to Cart
514575Pto Cover1Replaces 4302254. $14.97Add to Cart
6X-8-686Capscrew63/8"-16X3/4"$1.97Add to Cart
7X-12-1207Pipe Plug1Replaces X121202, X121206. 3/4" MAGNETIC$4.53Add to Cart
83315679Plug1$5.72Add to Cart
912815Bushing4$5.26Add to Cart
10A-5634Clutch Hsg Assy1Replaces 23726, 3316236, 3316237, A-5632, A-5771. #2 ALUMINUM, ABOVE CENTER LINE PULL TYPE$429.71Add to Cart
1123380Cover1Replaces 206466. $5.20Add to Cart
1286312No Longer Available1Call for availability
13X-8L-408Screw & Washer Assy2$1.79Add to Cart
143315659Gasket1$2.58Add to Cart
15675250Bearing Cup11.75" INPUTCall for availability
164300888Front Brg Cover-pull1$203.38Add to Cart
1722329Oil Seal1SHAFT 2, WIDTH .375$27.03Add to Cart
18239614Screw65/16-18X.81$7.31Add to Cart
19X-8-725Capscrew8Replaces X8724. 7/16"-14X7/8"$2.42Add to Cart
204302809Pto Cover1Replaces 16596, 4300571. $19.11Add to Cart
214305310Gasket1Replaces 4302810. $8.53Add to Cart
224300301FITTING-45 Degree2Replaces 11H15. $5.45Add to Cart
2314373Magnet2$3.89Add to Cart
2620719Dowel Pin1$2.24Add to Cart
27X-3-1000Lockwasher45/8"$1.69Add to Cart
28X-8-1011Capscrew4Replaces 1C1036. 5/8"-11X2-1/4"$3.64Add to Cart
29675250Bearing Cup11.75" INPUTCall for availability
30239433Stud41/2"-20X2-5/16"$5.16Add to Cart
314300675Speedo Rotor116 TEETH$99.59Add to Cart
314301984Speedo Rotor16 TEETHCall for availability
323315662Shim .0041QUANTITY AS REQUIRED$5.74Add to Cart
323315663Shim .0071QUANTITY AS REQUIRED$6.73Add to Cart
323315664Shim .0101QUANTITY AS REQUIRED$3.71Add to Cart
323315665Shim .0201QUANTITY AS REQUIRED$5.51Add to Cart
324300978Shim .0401$12.31Add to Cart
33239436Washer41/2"$2.49Add to Cart
3486D8Nut4Replaces 86D08. 1/2"-20$2.63Add to Cart
35K-7048Rear Brg Cover Kit1Replaces 4302624. USE 20807 OIL SEAL NOTE: PUSH- IN TYPE SPEEDO SENSOR$257.15Add to Cart
35S-7043Rear Brg Cover Assy1Replaces 22758, 4302019. USE 20807 OIL SEAL NOTE: SENSOR SEAL REQUIRED$263.46Add to Cart
35S-7044Rear Brg Cover Assy1Replaces 4302352. USE 20807 OIL SEAL NOTE: SENSOR SEAL REQUIRED$188.10Add to Cart
3620226Plug-mechanical1Replaces 2237. $4.15Add to Cart
3714142O-ring1$1.96Add to Cart
387992Bushing1$5.82Add to Cart
39K-2406Oil Seal Kit1Replaces 20807, 20808. $30.59Add to Cart
4012128Nut1$34.68Add to Cart
414301605Rear Bearing Cover1$64.17Add to Cart
424300363Lifting Eye1$2.83Add to Cart
43X-8C-830Hex Head Screw/washer Assy1Replaces X-8, C-826. .500-13 X 1.490$3.46Add to Cart
44X-8L-808Capscrew31/2"-13X1-1/4"$3.11Add to Cart
45X-12-405Pipe Plug1$2.19Add to Cart
463315681Shim .0041QUANTITY AS REQUIRED$3.01Add to Cart
463315682Shim .0071QUANTITY AS REQUIRED$2.24Add to Cart
463315683Shim .0101QUANTITY AS REQUIRED$3.06Add to Cart
463315684Shim .0201QUANTITY AS REQUIRED$3.74Add to Cart
4720224Plug-magnetic1$9.19Add to Cart
484301954Sensor Seal1$4.84Add to Cart
53K-3454Speed Sensor Kit1Replaces A-6398, A-6724. SINGLE PICK-UP (2 PIN)Call for availability
54K-3455Speed Sensor Kit, Dual1Replaces A-7046, A-7518. DUAL PICK-UP (4 PIN)Call for availability
5514142O-ring1$1.96Add to Cart
56X-8C-409Capscrew11/4"-20X5/8" (RETAINER FOR SENSOR)$1.87Add to Cart

Countershaft Assy

Eaton Fuller FS-8206A Countershaft Assy exploded-view diagram

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

ItemPart No.DescriptionQtyNotesPrice
13315686Snap Ring1$5.26Add to Cart
23315687Washer1$20.36Add to Cart
3K-3795Countershaft Brg Kit1Replaces 1313645, 791943. $34.45Add to Cart
517399Snap Ring1$3.82Add to Cart
623378Drive Gear- Countershaft1Replaces 23047. Call for availability
722328Snap Ring1$5.25Add to Cart
8223045TH Gear- Countershaft1Call for availability
9233754TH Gear- Countershaft1Replaces 22306. Call for availability
1022360Snap Ring1$7.74Add to Cart
11233733RD Gear- Countershaft1Replaces 23049. $364.60Add to Cart
12X-6-EKey4No longer available — call for replacement
1323371Countershaft1Replaces 23051. $823.56Add to Cart
14658981Bearing Cone1Call for availability
15660181Bearing Cup1Call for availability

Input Shaft

ItemPart No.DescriptionQtyNotesPrice
1742259Bearing Cone11.75" INPUTCall for availability
223376Input Shaft1Replaces 23046. 1.75" PUSH/PULL, .9837 PILOT$1,502.85Add to Cart
223377Input Shaft1Replaces 23043. 1.75" PUSH/PULL, 1.1805 PILOT$1,109.39Add to Cart

Kits & Assemblies

ItemPart No.DescriptionQtyNotesPrice
K-2003Pin & Bushing Kit1$5.31Add to Cart
K-2183Shim Kit1$65.70Add to Cart
K-2406Oil Seal Kit1Replaces 20807, 20808. $30.59Add to Cart
K-2465Gasket Kit1$35.89Add to Cart
K-2467Small Parts Kit1$300.38Add to Cart
K-2470Synchronizer Kit13RD-4THNo longer available — call for replacement
K-2471Synchronizer Kit15TH-6THNo longer available — call for replacement
K-2490Basic Rebuild Kit1$421.06Add to Cart
K-3795Countershaft Brg Kit1Replaces 1313645, 791943. $34.45Add to Cart
K-7048Rear Brg Cover Kit1Replaces 4302624. $257.15Add to Cart
S-1576Shift Bar Housing1Replaces 21956. HOUSING ONLYCall for availability
S-1878Case Assy1Replaces 4300572. $1,262.86Add to Cart
S-2528Shift Bar Hsg Assy1Replaces 21956. COMPLETECall for availability
S-7043Rear Brg Cover Assy1Replaces 22758, 4302019. $263.46Add to Cart
S-7044Rear Brg Cover Assy1Replaces 4302352. $188.10Add to Cart

Lever Assy

Eaton Fuller FS-8206A Lever Assy exploded-view diagram

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

ItemPart No.DescriptionQtyNotesPrice
1K-7062Shift Lever Hsg Kit1Replaces 233080, 4302711, A-6440. ALUMINUM HOUSING HIGH - LEVER HEIGHT 3-1/2"$127.25Add to Cart
2201054Pin2FOR HSGS WITHOUT PIN SLEEVES$5.88Add to Cart
223180Pin2FOR HSGS WITH PIN SLEEVES$4.86Add to Cart
34300690Spring1Replaces 229337. $9.49Add to Cart
34301936Spring1USE W/CAST IRON SHIFT LEVER HOUSING$7.36Add to Cart
423181Washer1$2.77Add to Cart
521722Shift Lever 27-1/2"1USE WITH HIGH TOWER 27-1/2" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$369.68Add to Cart
522138Shift Lever 33"1USE WITH HIGH TOWER 33" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$369.68Add to Cart
522139Shift Lever 31-1/2"1USE WITH MEDIUM TOWER 31-1/2" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREADCall for availability
5241076Shift Lever 27-1/2"1USE WITH MEDIUM TOWER 27-1/2" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$369.68Add to Cart
54302823Shift Lever 33"1USE WITH LOW TOWER 33" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$369.68Add to Cart
6202484Dust Cover1$7.34Add to Cart
74301958Gasket1$13.93Add to Cart
8X-8C-604Capscrew43/8"-16X1-1/4"$3.74Add to Cart
9201401Shift Knob13/8"X24 THREAD$19.73Add to Cart
10K-7061Shift Lever Hsg Kit1Replaces 241075, 4302711, A-6439. ALUMINUM HOUSING MEDIUM - LEVER HEIGHT 3-1/8"$54.04Add to Cart
11K-7056Shift Lever Hsg Kit1Replaces 4302654. CAST IRON HOUSING LOW - LEVER HEIGHT 2-7/8"$118.04Add to Cart
11K-7065Shift Lever Hsg Kit1Replaces 4302704, 4302711, A-6448. ALUMINUM HOUSING LOW - LEVER HEIGHT 2-7/8"$52.90Add to Cart
1222383Stub, Shift Lever 3-1/8"1MEDIUM - LEVER HEIGHT 3-1/8"$188.38Add to Cart
1222384Stub, Shift Lever 3-1/2"1HIGH - LEVER HEIGHT 3-1/2"$125.04Add to Cart
124301937Stub, Shift Lever 2-7/8"1LOW - LEVER HEIGHT 2-7/8"$141.06Add to Cart
13K-2003Pin & Bushing Kit1$5.31Add to Cart
14X-9-503Nut1$1.99Add to Cart
15X-8-560Screw1$2.39Add to Cart
1621246Bushing2$2.02Add to Cart
17K-7057Service Lever Kit 3- 1/2"1HIGH - LEVER HEIGHT 3-1/2" NOTE: REQUIRES EXISTING LEVER TO BE CUT AND WELDED (INSTRUCTIONS INCLUDED)$178.86Add to Cart
17K-7058Service Lever Kit 3- 1/8"1MEDIUM - LEVER HEIGHT 3-1/8" NOTE: REQUIRES EXISTING LEVER TO BE CUT AND WELDED (INSTRUCTIONS INCLUDED)$188.05Add to Cart
17K-7059Service Lever Kit 2- 7/8"1LOW - LEVER HEIGHT 2-7/8" NOTE: REQUIRES EXISTING LEVER TO BE CUT AND WELDED (INSTRUCTIONS INCLUDED)$210.72Add to Cart
18S-1697Isolator Lvr Assy 3- 1/2"1HIGH - LEVER HEIGHT 3-1/2"No longer available — call for replacement
18S-1821Isolator Lvr Assy 3- 1/8"1MEDIUM - LEVER HEIGHT 3-1/8"$216.13Add to Cart
18S-7015Isolator Lvr Assy 2- 7/8"1LOW - LEVER HEIGHT 2-7/8"$372.21Add to Cart
19S-7063Service Lvr Assy 3-1/8"1MEDIUM - LEVER HEIGHT 3-1/8" NOTE: REQUIRES EXISTING LEVER TO BE CUT AND WELDED (INSTRUCTIONS INCLUDED)$546.79Add to Cart
19S-7064Service Lvr Assy 2-7/8"1LOW - LEVER HEIGHT 2-7/8" NOTE: REQUIRES EXISTING LEVER TO BE$485.30Add to Cart
19S-7065Service Lvr Assy 3-1/2"1HIGH - LEVER HEIGHT 3-1/2" NOTE: REQUIRES EXISTING LEVER TO BE CUT AND WELDED (INSTRUCTIONS INCLUDED)$564.20Add to Cart
20K-7067Isolated Shift Lever Kit129-3/4" STRAIGHT LEVER - "BEND TO SUIT" 1/2" X 13 THREAD$185.74Add to Cart
2117560Lever Grip11/2"X13 THREAD$8.86Add to Cart
22A-6905Shift Knob Assy1W/FULLER LOGO, 1/2" X 13 THREAD$66.64Add to Cart
22S-2537Shift Knob Assy1W/6 SPEED EMBLEM, 1/2" X 13 THREAD$118.87Add to Cart
23X-9-802Nut11/2"X13 THREAD$1.87Add to Cart
24S-1578Shift Lever Assy 3-1/2"1COMPLETE ASSY - ALUMINUM HOUSING HIGH - LEVER HEIGHT 3- 1/2" 27-1/2" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$494.57Add to Cart
24S-1827Shift Lever Assy 3-1/8"1Replaces S-7079. COMPLETE ASSY - ALUMINUM HOUSING MEDIUM - LEVER HEIGHT 3-1/8" 27-1/2" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$483.17Add to Cart
24S-7045Shift Lever Assy 2-7/8"1COMPLETE ASSY - ALUMINUM HOUSING LOW - LEVER HEIGHT 2- 7/8" 33" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$548.46Add to Cart
24S-7090Shift Lever Assy 3-1/2"1COMPLETE ASSY - ALUMINUM HOUSING HIGH - LEVER HEIGHT 3- 1/2" 33" STRAIGHT LEVER - "BEND TO SUIT" 3/8" X 24 THREAD$234.78Add to Cart

Mainshaft Assy

Eaton Fuller FS-8206A Mainshaft Assy exploded-view diagram

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

ItemPart No.DescriptionQtyNotesPrice
13313798Snap Ring1$3.33Add to Cart
2710787Bearing Cone1$35.16Add to Cart
322315Synchronizer Cup2$193.73Add to Cart
4A-57265TH-6TH Synchro Assy1No longer available — call for replacement
54300569Clutch Hub1Replaces 22314. Call for availability
6223035TH Gear-mainshaft1$487.46Add to Cart
720704Bearing1$34.57Add to Cart
920711Retainer1$12.62Add to Cart
1020710Washer Segment2$33.38Add to Cart
11233744TH Gear-mainshaft1Replaces 22305. $436.26Add to Cart
1220705Bearing1$40.54Add to Cart
1322317Synchronizer Cup2No longer available — call for replacement
14A-57243RD-4TH Synchro Assy1No longer available — call for replacement
1520712Snap Ring1$8.98Add to Cart
164300792Clutch Hub1Replaces 22316. Call for availability
17233723RD Gear-mainshaft1Replaces 23048. $480.99Add to Cart
1820706Bearing4$34.47Add to Cart
194300793Retainer Washer2Replaces 20714. $53.16Add to Cart
2020713Washer Segment4$40.13Add to Cart
21233702ND Gear-mainshaft1Replaces 23050. Call for availability
2222756Mainshaft1Call for availability
23A-57231ST-2ND Synchro Assy1Call for availability
24233691ST Gear-mainshaft1Replaces 22311. Call for availability
2523520Reverse Gear- Mainshaft1Call for availability
2622318Sliding Clutch1$406.84Add to Cart
2722757Clutch Hub1Call for availability
28731334Bearing Cone1Call for availability

Miscellaneous

ItemPart No.DescriptionQtyNotesPrice
71203Silicone Lube18 OZ (236.59 CC)-FLEET SIZE$46.48Add to Cart
71204Adhesive Sealant10.5 CC (SINGLE APPLICATION SIZE)$10.64Add to Cart
71205Sealant12 CC (SINGLE APPLICATION SIZE)$10.82Add to Cart
71206Silicone Lube14 CC (SINGLE APPLICATION SIZE)$4.23Add to Cart
71231Gasket Sealant18 MILLILITER SIZE$33.25Add to Cart
71232Thread Adhesive110 MILLILITER SIZE$28.73Add to Cart

Reverse Idler Gear Assy

ItemPart No.DescriptionQtyNotesPrice
120671Reverse Idler Gear1Call for availability
220707Bearing2$19.26Add to Cart
322324Idler Shaft1$96.95Add to Cart
420674O-ring1$3.99Add to Cart

Shift Bar Housing

Eaton Fuller FS-8206A Shift Bar Housing exploded-view diagram

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

ItemPart No.DescriptionQtyNotesPrice
1S-1576Shift Bar Housing1Replaces 21956. HOUSING ONLYCall for availability
24300853Gasket1$7.76Add to Cart
322752Plug1$8.46Add to Cart
417179Gasket1$2.25Add to Cart
521970Pin2$15.92Add to Cart
622941Neutral Light Switch1Replaces 12639. SWITCH NORMALLY CLOSED$42.29Add to Cart
720815Lifting Eye3Replaces 17105. $2.88Add to Cart
8X-8L-602Capscrew33/8"-16X1-1/2"$2.09Add to Cart
9X-8C-604Capscrew133/8"-16X1-1/4"$3.74Add to Cart
1022940Reverse Light Switch1Replaces 16830. SWITCH NORMALLY OPEN$17.31Add to Cart
114303656Plug1Replaces 15917. 9/16 - 18, THREADED$2.91Add to Cart
1215900Gasket1$2.24Add to Cart
134304602Breather1Replaces 23605. 1/4" NPT$8.22Add to Cart
13X-12-405Pipe Plug1$2.19Add to Cart
14X-8L-600Capscrew23/8"-16X1"$1.76Add to Cart
1510838Spring Cover1$8.18Add to Cart
1610839Gasket1$1.94Add to Cart
1715918Spring1RELAXED LENGTH 1.46" (ORANGE)$1.97Add to Cart
1715919Spring1RELAXED LENGTH 1.5" (GREEN)$1.81Add to Cart
18X-14-800Steel Ball41/2"$1.78Add to Cart
1922997Oil Trough1$14.37Add to Cart
20233043Capscrew93/8"-16X1"$4.04Add to Cart
2121965Snap Ring1$2.11Add to Cart
2221964Washer1$2.49Add to Cart
2321723Spring1RELAXED LENGTH 1.36"$10.31Add to Cart
2321724Spring1RELAXED LENGTH 3.46"$6.27Add to Cart
2322155Spring1RELAXED LENGTH 2.79" (ORANGE)$3.48Add to Cart
2422156Spring1RELAXED LENGTH 2.25" (YELLOW)No longer available — call for replacement
2422834Spring1RELAXED LENGTH 1.56" (ORANGE)$4.81Add to Cart
2521963Washer1$2.47Add to Cart
2621966Plunger1$17.64Add to Cart
274301163Shift Block1REVERSE$180.43Add to Cart
2822322Shift Yoke1REVERSE$129.92Add to Cart
2962516Roll Pin6Replaces 62521. $1.84Add to Cart
30X-14-600Steel Ball63/8"$1.71Add to Cart
314300628Yoke Bar1REVERSE$69.28Add to Cart
324300627Yoke Bar31ST-2ND/3RD-4TH/5TH-6TH$43.08Add to Cart
331634Interlock Pin3$3.13Add to Cart
344301165Shift Block1Replaces 21958. 1ST-2ND$136.17Add to Cart
35A-5344Shift Yoke Assy1Replaces 22330. 1ST-2ND$117.99Add to Cart
3621199Insert6$49.01Add to Cart
3722335Retainer3$21.88Add to Cart
38A-5343Shift Yoke Assy1Replaces 2195922331. 3RD-4TH$148.07Add to Cart
39A-5670Shift Yoke Assy1Replaces 4300039. 5TH-6TH$256.67Add to Cart
451064Spring3$5.33Add to Cart
999S-2528Shift Bar Hsg Assy1Replaces 21956. COMPLETECall for availability

Eaton Fuller parts & units we stock

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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.
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