Chelsea PTO 660 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Power Take-Offs Bill of Materials 660/680 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P580 | Housing Standard Mount (“x” & “g” Mounting) 1 | or | $587.58 | Add to Cart | |
| 1P581 | Housing Deep Mount (“z” Mounting) 1 | $619.29 | Add to Cart | |||
| 1P580XD | Housing Standard Mount W/ Dowel Pins 1 | — | Call for availability | |||
| 1P573 | Housing Standard Mount (“x” & “g” Mounting) , - | 1 or | $466.59 | Add to Cart | ||
| 1P582 | Housing Deep Mount (“z” Mounting) , - 9 Input Gear 1 | 1 | $649.39 | Add to Cart | ||
| 3 | 550439 | Bearing Cone, Input 2 | 2 | $51.63 | Add to Cart | |
| 4 | 14P742 | Spacer (.1 15- .1 17) A.r. | A.R. | $38.26 | Add to Cart | |
| 14P743 | Spacer (.1 18- .120) A.r. | A.R. | $50.79 | Add to Cart | ||
| 14P744 | Spacer (.121 .123) A.r. - | A.R. | $54.63 | Add to Cart | ||
| 14P745 | Spacer (.124- .126) A.r. | A.R. | $16.83 | Add to Cart | ||
| 5 | 9P71 | Idler Shaft, Pressure Lube 1 | or 1 or | $262.89 | Add to Cart | |
| 9P60 | Idler Shaft 1 9 Output Gear 1 | 1 | $61.76 | Add to Cart | ||
| 7 | 378391 | Lockring 2 | 2 | $2.47 | Add to Cart | |
| 8 | 3P202 | Drive Shaft, Output (1 -1/4" Round) 1 | 1 | $95.42 | Add to Cart | |
| 50000729 | Woodruff Key (“xd” Output) 1 | 1 | $3.11 | Add to Cart | ||
| 9 | 22P241 | Bearing Cap Gasket (.010) A.r. | A.R. | $2.30 | Add to Cart | |
| 22P242 | Bearing Cap Gasket (.020) A.r. | A.R. | $10.49 | Add to Cart | ||
| 22P243 | Bearing Cap Gasket (.015) A.r. | A.R. | $10.49 | Add to Cart | ||
| 10 | 550532 | Bearing Cone 1 | 1 | $36.75 | Add to Cart | |
| 11 | 550221 | Bearing Race 1 | 1 | $14.19 | Add to Cart | |
| 329274X | Bearing Cap Ass’y, Closed End 1 (see Chart Pages 1 1 -14 For “l” & “g ’ Options) | 1 | $251.06 | Add to Cart | ||
| 12 | 21P131 | Bearing Cap Ass’y, Closed End 1 | 1 | $225.23 | Add to Cart | |
| 13 | 550397 | Bearing Cone (output) 1 | 1 | $36.75 | Add to Cart | |
| 14 | 550221 | Bearing Race (output) 1 | 1 | $14.19 | Add to Cart | |
| 329273X | Bearing Cap Ass’y, Open End (see Chart Page 11 -14 For Other Options) 1 | 1 | $287.83 | Add to Cart | ||
| 15 | 21P130 | Bearing Cap, Open End (“xd” Output) 1 | 1 | $198.48 | Add to Cart | |
| 16 | 28P216 | Oil Seal Standard Output Shaft 1 | 1 | $21.40 | Add to Cart | |
| 17 | 37843010 | Hex Capscrew .312"-18 X 1 .000" 4 Cable Control Cover Assemblies For Ratios Q & W | 4 | $1.76 | Add to Cart | |
| 3291191X | Assemblies 3 & 6 1 | 1 | $176.78 | Add to Cart | ||
| 3291192X | Assemblies 4 & 5 1 For Ratios F & S & U | 1 | $176.78 | Add to Cart | ||
| 3291211X | Assemblies 3 & 6 1 | 1 | $176.78 | Add to Cart | ||
| 3291212X | Assemblies 4 & 5 1 All The Shift Cover Assemblies Shown Include Items 18 Thru 21 | 1 | $176.78 | Add to Cart | ||
| 18 | 34P74 | Shifter Cover 1 | 1 | $44.57 | Add to Cart | |
| 19 | 37P19 | Spring 1 | 1 | $2.04 | Add to Cart | |
| 20 | 63P16 | Poppet Pin 1 | 1 | $9.26 | Add to Cart | |
| 21 | 28P191 | O-ring 1 Post & Plate Ass’y For Ratios Q & W | 1 | $3.59 | Add to Cart | |
| 22 | 3291181X | For Assemblies 3 & 6 1 | 1 | $69.07 | Add to Cart | |
| 3291182X | For Assemblies 4 & 5 1 Post & Plate Ass’y For Ratios F & S & U | 1 | $69.07 | Add to Cart | ||
| 22 | 3291201X | For Assemblies 3 & 6 1 | 1 | $81.03 | Add to Cart | |
| 3291202X | For Assemblies 4 & 5 1 | 1 | $86.10 | Add to Cart | ||
| 23 | 378004 | Flat Washer 1 | 1 | $2.01 | Add to Cart | |
| 24 | 51P22 | Shifter Lever 1 | 1 | $12.57 | Add to Cart | |
| 25 | 50036522 | Flat Washer 1 | 1 | $1.05 | Add to Cart | |
| 26 | 50035610 | Lock Washer 1 | 1 | $1.53 | Add to Cart | |
| 27 | 5004096 | Hex Capscrew 1 | 1 | $1.23 | Add to Cart | |
| 28 | 379639 | Indicator Switch Pin Style 1 | 1 | $25.03 | Add to Cart | |
| 29 | 35P8 | Gasket, Shift Cover 1 | 1 | $3.48 | Add to Cart | |
| 30 | 3784309 | Hex Capscrew .312"-18 X .875" 4 As Required | 4 | $1.76 | Add to Cart | |
| 328170200X | Stud Kit, Standard/deep Mount | 1 | $31.15 | Add to Cart | ||
| 328170201X | Stud Kit, Metric Standard Mount | 1 | $74.25 | Add to Cart | ||
| 32817076X | Stud Kit, Standard Mount | 1 | $30.69 | Add to Cart | ||
| 32817077X | Stud Kit, Deep Mount | 1 | $38.59 | Add to Cart | ||
| 717078X | Stud Kit, Metric Mount | 1 | $84.56 | Add to Cart | ||
| 717072X | Stud Kit, Metric W/dowel Pin | 1 | $53.10 | Add to Cart | ||
| 32834610X | Cable Control Assembly (includes 378441 -10 Cable And 378502 Knob) | 1 1 | $135.56 | Add to Cart | ||
| 328380X | Wire Control Parts Bag (contains Items 31 36) - | 1 1 | $13.25 | Add to Cart | ||
| 31 | 378019 | Pivot Pin | 1 1 | $4.50 | Add to Cart | |
| 32 | 378326 | Hex Nut ( .250" 20) - | 1 1 | $2.22 | Add to Cart | |
| 33 | 50P17 | Mounting Bracket | 1 1 | $5.47 | Add to Cart | |
| 34 | 50P19 | Swivel Bracket | 1 1 | $3.48 | Add to Cart | |
| 35 | 5003968 | Hexhead Screw ( .250" -20 X .750") | 1 1 | $1.17 | Add to Cart | |
| 36 | 5005684 | Set Screw ( .250" 20 X .500") - | 1 1 | $1.45 | Add to Cart | |
| 329245X | Shifter Bracket Kit (special Shift Control And Kit) | 1 1 | $94.08 | Add to Cart | ||
| 32838837X | Air Shift Installation Kit (“a”) | 1 1 | $367.41 | Add to Cart | ||
| 32838847X | Electric/air Installation Kit 12V (“p”) | 1 1 | $563.43 | Add to Cart | ||
| 32838848X | Electric/air Installation Kit 24V (“q”) | 1 1 | $544.19 | Add to Cart | ||
| 32838865X | Air Shift With Control Valve (“s”) | 1 1 | $762.60 | Add to Cart | ||
| 32838872X | Air Shift With Control Valve (“t”) | 1 1 | $762.60 | Add to Cart | ||
| 32916612X | Electric Shift Installation Kit 12V | 1 1 | — | Call for availability | ||
| 3287511X | Indicator Light Installation Kit | 1 1 | $65.59 | Add to Cart | ||
| 68P18 | Name Plate | 1 1 | $4.50 | Add to Cart | ||
| 378978 | 12V Indicator Light | 1 1 | $25.82 | Add to Cart | ||
| 379900 | 10-AMP Fuse Holder | 1 1 | $5.99 | Add to Cart | ||
| 379252 | Butt Connector | 2 2 | $2.30 | Add to Cart | ||
| 379640 | Booted Connector | 1 1 | $18.40 | Add to Cart | ||
| 3289486X | Gaskets & Installation Instructions | 1 | $24.01 | Add to Cart | ||
| 3289488X | Gaskets & Installation Instructions Service And Repair Kits | 1 | $22.26 | Add to Cart | ||
| 329202X | Indicator Switch Connector Service Kit (includes 379639, 379640 & 379252) | 1 1 | $31.23 | Add to Cart | ||
| 329218X | Indicator Switch Service Kit (includes 379640 & 379252) | 1 1 | $18.40 | Add to Cart | ||
| 32835615X | Shifter Cover Seal Kit (cable Control) | 1 1 | $85.55 | Add to Cart | ||
| 32835617X | Shifter Cover Seal Kit (air Shift) | 1 1 | $77.91 | Add to Cart | ||
| 32835626X | Shifter Cover Seal Kit (lever Control) | 1 1 | — | Call for availability | ||
| 329143X | Shifter Shaft Cover Kit (includes Items 43, 44, 45 On Pg 4) . | 1 1 | $42.55 | Add to Cart | ||
| 3293031X | Seal Kit (output Options Xd, Ra, Xe Xg Xj Xk, Xl, Rb, Xm Xn , , , , Xo, Xp, Xq, Xr, Aa, Ak, Xx, La, Lb, Lc, Ld, Le And Lf) | 1 | $98.64 | Add to Cart | ||
| 3293032X | Seal Kit (output Options Af And Ff) | 1 | $97.99 | Add to Cart | ||
| 3293033X | Seal Kit (output Options Xy And Az) | 1 | $102.60 | Add to Cart | ||
| 3293034X | Seal Kit (output Options Ga, Gb And Gr) | 1 | — | Call for availability | ||
| 3293035X | Seal Kit (output Options Gf) | 1 | — | Call for availability | ||
| 3293036X | Seal Kit (output Options Xd, Ra, Xe Xg Xj Xk, Xl, Rb, Xm Xn , , , , Xo, Xp, Xq, Xr, Aa, Ak, Xx, La, Lb, Lc, Ld, Le And Lf) | 1 | $61.86 | Add to Cart | ||
| 3293037X | Seal Kit (output Options Af And Ff) | 1 | $79.53 | Add to Cart | ||
| 3293038X | Seal Kit (output Options Xy And Az) | 1 | $84.17 | Add to Cart | ||
| 3293039X | Seal Kit (output Options Ga, Gb And Gr) | 1 | $102.89 | Add to Cart | ||
| 32930310X | Seal Kit (output Options Gf) | 1 | $139.11 | Add to Cart | ||
| 3293101X | Bearing And Seal Kit (output Options Xd, Ra, Xe Xg Xj Xk, Xl, , , , Rb, Xo, Xp, Xq Xr Aa, Ak, Xx, La, Lb, Lc, Ld And Lf) | 1 | $450.91 | Add to Cart | ||
| 3293102X | Bearing And Seal Kit (output Options Af And Ff) | 1 | — | Call for availability | ||
| 3293103X | Bearing And Seal Kit (output Options Xy And Az) | 1 | — | Call for availability | ||
| 3293104X | Bearing And Seal Kit (output Options Ga, Gb And Gr) | 1 | — | Call for availability | ||
| 3293105X | Bearing And Seal Kit (output Options Gf) | 1 | — | Call for availability | ||
| 3293106X | Bearing And Seal Kit (output Options Xd, Ra, Xe Xg Xj Xk, Xl, , , , Rb, Xo, Xp, Xq Xr Aa, Ak, Xx, La, Lb, Lc, Ld And Lf) | 1 | — | Call for availability | ||
| 3293107X | Bearing And Seal Kit (output Options Af And Ff) | 1 | — | Call for availability | ||
| 3293108X | Bearing And Seal Kit (output Options Xy And Az) | 1 | — | Call for availability | ||
| 3293109X | Bearing And Seal Kit (output Options Ga, Gb And Gr) | 1 | — | Call for availability |
E-Z Shift™ Parts (“Z” Designator) 660/680 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3291651X | Shift Cover Assembly 12V (ass’y 3 & 6) 1 | 1 | — | Call for availability | ||
| 3291652X | Shift Cover Assembly 12V (ass’y 4 & 5) 1 (all The Assemblies Shown Above Include Items 37 Thru 45) | 1 | — | Call for availability | ||
| 37 | 34P76 | Shift Cover 1 | 1 | — | Call for availability | |
| 38 | 32P166 | Shifter Fork 1 | 1 | $106.87 | Add to Cart | |
| 39 | 32925512X | Electric Shift Ass’y 1 | 1 | — | Call for availability | |
| 40 | 3784474 | Socket Head Capscrew 1 | 1 | $1.78 | Add to Cart | |
| 41 | 28P207 | Oil Seal 1 | 1 | $19.83 | Add to Cart | |
| 42 | 379639 | Indicator Switch 1 | 1 | $25.03 | Add to Cart | |
| 43 | 35P14 | Gasket, Shifter Shaft Cover 1 | 1 | $2.88 | Add to Cart | |
| 44 | 65P23 | Shifter Shaft Cover 1 | 1 | $20.58 | Add to Cart | |
| 45 | 3784304 | Hex Capscrew ( .312"-18 X .500") 4 | 4 | $6.00 | Add to Cart | |
| 46 | 3784308 | Hex Capscrew ( .312"-18 X .750") 4 | 4 | $2.06 | Add to Cart | |
| 47 | 35P8 | Gasket, Shifter Cover 1 E-z Shift Conversion Kits | 1 | $3.48 | Add to Cart | |
| 328390138X | Cable To Electric 12V (ass’y 3 & 6) 1 | 1 | — | Call for availability | ||
| 328390139X | Cable To Electric 12V (ass’y 4 & 5) 1 | 1 | — | Call for availability |
Air Control Parts (“A” Designator) 660/680 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 329361X | Shifter Cover Assembly, Air Shift ( Includes Items 48-57) | 1 1 | $337.38 | Add to Cart | ||
| 48 | 34P130 | Shifter Cover | 1 1 | $95.72 | Add to Cart | |
| 49 | 378316 | Snap Ring | 2 2 | $1.68 | Add to Cart | |
| 50 | 378315 | Cover Plug | 2 2 | $5.55 | Add to Cart | |
| 51 | 28P42 | O-ring | 2 2 | $3.59 | Add to Cart | |
| 52 | 37P21 | Shifter Spring | 1 1 | $2.86 | Add to Cart | |
| 53 | 11P75 | Shaft, Shifter | 1 1 | $60.75 | Add to Cart | |
| 54 | 28P41 | O-ring | 1 1 | $5.03 | Add to Cart | |
| 55 | 32P180 | Shifter Fork | 1 1 | $105.58 | Add to Cart | |
| 56 | 3784474 | Capscrew, Socket Head W/ Lockpatch (.312"-18 X .750") | 1 1 | $1.78 | Add to Cart | |
| 57 | 379639 | Indicator Switch (normally Off) | 1 1 | $25.03 | Add to Cart | |
| 58 | 379904 | Push Connect, For 1/4" Tubing | 1 1 | $7.13 | Add to Cart | |
| 59 | 35P8 | Gasket, Shifter Cover | 1 1 | $3.48 | Add to Cart | |
| 60 | 3784308 | Capscrew, Hex Head ( .312"-18 X .750") Air Shift Conversion Kits | 4 4 | $2.06 | Add to Cart | |
| 328390117X | Lever Or Cable To Air | 1 1 | $576.15 | Add to Cart | ||
| 328390119X | Lever Or Cable To Electric/air, 12V | 1 1 | $1,071.10 | Add to Cart | ||
| 328390120X | Lever Or Cable To Electric/air, 24V | 1 1 | $708.43 | Add to Cart |
Power Take-Offs Constant Mesh 660/680 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 84 | 4P178 | Spacer, Drive Shaft | 1 1 | $26.33 | Add to Cart | |
| 85 | 4P177 | Spacer, Drive Shaft | 1 1 | $48.43 | Add to Cart | |
| 86 | 378391 | Lockring | 1 1 | $2.47 | Add to Cart | |
| 34P39 | Cover Plate (for Shifter Opening) | 1 1 | $54.10 | Add to Cart | ||
| 35P8 | Gasket, Cover Plate (for Shifter Opening) Of Arrow. 90 89 Pump Assembly As Shown Is For “q” And “w” Ratios . Rotate As Needed For “f” “s” And “u” Ratios , . Description Quantity | 1 1 | $3.48 | Add to Cart | ||
| 37843010 | Hex Capscrew .312"-18 X 1 .00" | 4 4 | $1.76 | Add to Cart | ||
| 3P857 | Output Shaft (ld Output) | 1 1 | $444.71 | Add to Cart | ||
| 3P858 | Output Shaft (la, Lb, Lc Lf Output) | 1 1 | — | No longer available — call for replacement | ||
| 329091X | Lube Pump & Bearing Cap Assembly | 1 1 | — | No longer available — call for replacement | ||
| 329092X | Pressure Lube Hose Assembly | 1 1 | $92.32 | Add to Cart | ||
| 5008411 | 90° Street Elbow | 1 1 | $9.09 | Add to Cart |
Input Gear Chart 660/680 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1242 | 660*FAH — Helix Angle Spur, Teeth No 22, Teeth 21, Teeth 37 | $512.47 | Add to Cart | |||
| 2P797 | Part No. No For 660*FAH | $260.16 | Add to Cart | |||
| 5P1246 | 660*QAH — Helix Angle Spur, Teeth No 22, Teeth 19, Teeth 24 | $505.08 | Add to Cart | |||
| 2P778 | Part No. No For 660*QAH | $282.63 | Add to Cart | |||
| 5P1322 | 660*SAH — Helix Angle Spur, Teeth No 22, Teeth 24, Teeth 22 | $466.46 | Add to Cart | |||
| 2P784 | Part No. No For 660*SAH | $282.63 | Add to Cart | |||
| 5P1325 | 660*FBG — Helix Angle Left Hand, Teeth Helix, Teeth No 23, Teeth 21, Teeth 37 | $436.39 | Add to Cart | |||
| 5P1326 | 660*QBG — Helix Angle Left Hand, Teeth Helix, Teeth No 23, Teeth 19, Teeth 24 | $436.39 | Add to Cart | |||
| 5P1327 | 660*SBG — Helix Angle Left Hand, Teeth Helix, Teeth No 23, Teeth 24, Teeth 22 | $436.39 | Add to Cart | |||
| 5P1330 | 660*FDA — Helix Angle Spur, Teeth No 23, Teeth 21, Teeth 37 | $545.79 | Add to Cart | |||
| 5P1331 | 660*QDA — Helix Angle Spur, Teeth No 23, Teeth 19, Teeth 24 | $494.32 | Add to Cart | |||
| 5P1332 | 660*SDA — Helix Angle Spur, Teeth No 23, Teeth 24, Teeth 22 | $493.58 | Add to Cart | |||
| 5P1335 | 660*FED — Helix Angle Left Hand, Teeth Helix, Teeth No 34, Teeth 21, Teeth 37 | $415.26 | Add to Cart | |||
| 5P1336 | 660*QED — Helix Angle Left Hand, Teeth Helix, Teeth No 34, Teeth 19, Teeth 24 | $415.26 | Add to Cart | |||
| 5P1337 | 660*SED — Helix Angle Left Hand, Teeth Helix, Teeth No 34, Teeth 24, Teeth 22 | $415.77 | Add to Cart | |||
| 5P1345 | 660*FJA — Helix Angle Left Hand, Teeth Helix, Teeth No 27, Teeth 21, Teeth 37 | $362.64 | Add to Cart | |||
| 5P1346 | 660*QJA — Helix Angle Left Hand, Teeth Helix, Teeth No 27, Teeth 19, Teeth 24 | $423.41 | Add to Cart | |||
| 5P1347 | 660*SJA — Helix Angle Left Hand, Teeth Helix, Teeth No 27, Teeth 24, Teeth 22 | — | No longer available — call for replacement |
Output Options Bills of Material 660/680 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3P862 | Output Shaft | 1 | — | Call for availability | ||
| 28P216 | Oil Seal | 1 | $21.40 | Add to Cart | ||
| 329102X | Bearing Cap Assy.(21 -P-532) | 1 | — | Call for availability | ||
| 3784478 | Socket Head Capscrew ( .312" 18 X 1 .5") | 4 | $2.32 | Add to Cart | ||
| 3P854 | Output Shaft | 1 | $599.82 | Add to Cart | ||
| 28P219 | Oil Seal | 1 | $28.20 | Add to Cart | ||
| 329088X | Bearing Cap Assy.(21 -P-522) | 1 | $363.17 | Add to Cart | ||
| 37844710 | Socket Head Capscrew ( .312" 18 X 1 .5") | 4 | $4.45 | Add to Cart | ||
| 3P282 | Output Shaft | 1 | $187.84 | Superseded by 3P282XAdd to Cart | ||
| 328989X | Bearing Cap Assy.(21 -P-472) | 1 | $378.21 | Add to Cart | ||
| 3P844 | Output Shaft | 1 | $750.67 | Add to Cart | ||
| 28P230 | Oil Seal | 1 | — | Call for availability | ||
| 329052X | Bearing Cap Assy.(21 -P-508) | 1 | $613.82 | Add to Cart | ||
| 379982 | Hex Washer Flange Bolt (.312" 18 X 2 .5") | 4 | — | Call for availability | ||
| 3P851 | Output Shaft | 1 | — | Call for availability | ||
| 3P923X | “ga” “gb” “gr” Shaft Assemblies | 1 or | $655.03 | Add to Cart | ||
| 3P921X | “gf” Shaft Assemblies | 1 or | $860.23 | Add to Cart | ||
| 3P933X | “gq” “gk” “gp” Shaft Assemblies | 1 or | $581.33 | Add to Cart | ||
| 3P938X | “gm” “gy” Shaft Assemblies | 1 or | $819.60 | Add to Cart | ||
| 3P939X | “gz” Shaft Assemblies | 1 or | $873.79 | Add to Cart | ||
| 3P941X | “gh” “gj” Shaft Assemblies | 1 | $1,076.84 | Add to Cart | ||
| 5001682 | Lube Fitting (zerk) | 1 | $6.59 | Add to Cart | ||
| 379819 | Grease Fitting Cap | 1 | $2.07 | Add to Cart | ||
| 379688 | Coupling Lube Pack (5/8 Fl .oz) | 1 | $8.98 | Add to Cart | ||
| 28P268 | Rear Bearing Cap Shaft Oil Seal | 1 | $69.47 | Add to Cart | ||
| 329273X | Rear Bearing Cap Assembly | 1 | $287.83 | Add to Cart | ||
| 37843010 | Rear Bearing Cap Hex Head Capscrew | 4 | $1.76 | Add to Cart | ||
| 3P857 | Output Shaft (“ld”) | 1 | $444.71 | Add to Cart | ||
| 3P858 | Output Shaft (“la” “lb” “lc” “lf”) | 1 | — | No longer available — call for replacement | ||
| 329091X | Lube Pump & Bearing Cap Assy. | 1 | — | No longer available — call for replacement | ||
| 329092X | Pressure Lube Hose Assy. | 1 | $92.32 | Add to Cart | ||
| 5008411 | Elbow 90° Street | 1 | $9.09 | Add to Cart | ||
| 3P768 | Output Shaft | 1 | $728.64 | Superseded by 3P768XAdd to Cart | ||
| 28P275 | Oil Seal | 1 | $37.46 | Add to Cart | ||
| 329412X | Bearing Cap Assy. (21 -P-675) | 1 | — | Call for availability | ||
| 3784476 | Socket Head Capscrew ( .312" 18 X 1 .0") | 4 | $4.33 | Add to Cart | ||
| 3P283 | Output Shaft | 1 | $187.84 | Add to Cart | ||
| 329195X | Bearing Cap Assy. (21 -P-574) | 1 | $132.25 | Add to Cart | ||
| 21P628 | Pump Flange (ship Loose With Unit) | 1 | $100.24 | Add to Cart | ||
| 328170207X | Capscrew Bag Kit | 1 | $9.52 | Add to Cart | ||
| 21P572 | Pump Flange (ship Loose With Unit) | 1 | $114.69 | Add to Cart | ||
| 3P800 | Output Shaft | 1 | $319.56 | Add to Cart | ||
| 329322X | Bearing Cap Assy (21 -P-640) | 1 | $744.53 | Add to Cart | ||
| 21P638 | Pump Flange | 1 | $643.81 | Add to Cart | ||
| 328170210X | Capscrew Bag Kit | 1 | $47.78 | Add to Cart | ||
| 3784464 | Socket Head Capscrew ( .250" 20 X .75") | 6 | $5.98 | Add to Cart | ||
| 3P924 | Output Shaft | 1 | $733.31 | Add to Cart | ||
| 329264X | Bearing Cap Assy. (21 -P-629) | 1 | $164.26 | Add to Cart | ||
| 21P654 | Pump Flange | 1 | $88.51 | Add to Cart | ||
| 28P271 | O-ring | 1 | $28.61 | Add to Cart | ||
| 21P626 | Pump Flange | 1 | $115.30 | Add to Cart | ||
| 21P625 | Pump Flange | 1 | $317.28 | Add to Cart | ||
| 329356X | Bearing Cap Assy (21 -P-532) | 1 | $774.79 | Add to Cart | ||
| 3293551X | Standard Loose Parts Kit | 1 | $116.34 | Add to Cart | ||
| 3797406 | Socket Head Capscrew (M10 1 .5" X .984") | 3 | $11.57 | Add to Cart | ||
| 22P100 | Gasket | 1 | $11.50 | Add to Cart | ||
| 22P84 | Gasket | 1 | $45.16 | Add to Cart | ||
| 379231 | Pipe Plug Continued On Following | 2 | $1.50 | Add to Cart | ||
| 328328X | Bearing Cap Assy. (21 -P-161) | 1 | $318.47 | Add to Cart | ||
| 3P281 | Output Shaft | 1 | $224.42 | Add to Cart | ||
| 328580X | Bearing Cap Assy. (21 -P-259) | 1 | $439.30 | Add to Cart | ||
| 3P284 | Output Shaft | 1 | $289.72 | Add to Cart | ||
| 328333X | Bearing Cap Assy.(21 -P-424) | 1 | $239.73 | Add to Cart | ||
| 328589X | Bearing Cap Assy.(21 -P-269) | 1 | $324.47 | Add to Cart | ||
| 329194X | Bearing Cap Assembly (21 -P-574) | 1 | $135.04 | Add to Cart | ||
| 379673 | Hex Shoulder Screw (.312" 24) | 4 | $12.77 | Add to Cart | ||
| 379063 | Flat Washer | 4 | $2.70 | Add to Cart | ||
| 328711X | Pump Mounting Kit | 1 | $14.26 | Add to Cart | ||
| 378919 | Washer | 4 | $1.97 | Add to Cart | ||
| 5009631 | Hex Lock Nut ( .312" 24) | 4 | — | No longer available — call for replacement | ||
| 3P202 | Output Shaft | 1 | $95.42 | Add to Cart | ||
| 328273X | Bearing Cap Assy. (21 -P-418) | 1 | $64.09 | Add to Cart | ||
| 50000729 | Woodruff Key | 1 | $3.11 | Add to Cart | ||
| 379828 | Companion Flange | 1 | $705.64 | Add to Cart | ||
| 3P766 | Output Shaft | 1 | $787.30 | Add to Cart | ||
| 379111 | Square Key | 1 | $23.18 | Add to Cart | ||
| 501181 | Hex Locknut (1 .0" 20) | 1 | — | No longer available — call for replacement | ||
| 329234X | Bearing Cap Assy. (21 -P-614) | 1 | $674.37 | Add to Cart |
Assembly Arrangements
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1P580 | 0.789 3.007 (f, S) 3.317 (f, S) 6.428 2 .908 (q) 3.087 (q ) | 7.000 | $587.58 | Add to Cart | ||
| 1P581 | 0.570 3.007 (f, S) 3.317 (f, S) 6.207 2 .908 (q W) 3.087 (q ) | 7.000 | $619.29 | Add to Cart | ||
| 1P573 | 1 .072 3.007 (f, S) 3.317 (f, S) 6.708 2 .908 (q) 3.087 (q) | 8.500 | $466.59 | Add to Cart | ||
| 1P582 | 0.930 3.007 (f, S) 3.317 (f, S) 6.566 2 .908 (q) 3.087 (q) " .500 " 4 .500 " 6 | 8.500 | $649.39 | Add to Cart |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 329106-39X | Air Shift ("a" Option) 1 | 1 | $575.22 | Add to Cart | ||
| 329106-43X | Electric/air 12V ("p" Option) 1 | 1 | $825.45 | Add to Cart | ||
| 329106-45X | Electric/air 24V ("q" Option) 1 | 1 | — | No longer available — call for replacement | ||
| 329106-105X | Cable Shift (q, W & X Ratios, Ass'y 3 & 6, "w" Option) 1 | 1 | $299.76 | Add to Cart | ||
| 329106-106X | Cable Shift (q, W & X Ratios, Ass'y 4 & 5, "w" Option) 1 | 1 | $295.91 | Add to Cart | ||
| 329106-107X | Cable Shift, Less Cable (q, W, & X Ratios, Ass'y 3 & 6, "x" Option) 1 | 1 | $234.58 | Add to Cart | ||
| 329106-108X | Cable Shift, Less Cable (q, W, & X Ratios, Ass'y 4 & 5, "x" Option) 1 | 1 | $234.58 | Add to Cart | ||
| 329106-109X | Cable Shift (f, L, S & U Ratios, Ass'y 3 & 6, "w" Option) 1 | 1 | $291.44 | Add to Cart | ||
| 329106-110X | Cable Shift (f, L, S & U Ratios, Ass'y 4 & 5, "w" Option) 1 | 1 | $291.44 | Add to Cart | ||
| 329106-111X | Cable Shift, Less Cable (f, L, S & U Ratios, Ass'y 3 & 6, "x" Option) 1 | 1 | $270.02 | Add to Cart | ||
| 329106-112X | Cable Shift, Less Cable (f, L, S & U Ratios, Ass'y 4 & 5, "x" Option) 1 | 1 | $270.02 | Add to Cart | ||
| 329106-125X | E-z Shift (ass'y 3 & 6, "z" Option) 1 | 1 | — | Call for availability | ||
| 329106-126X | E-z Shift (ass'y 4 & 5, "z" Option) 1 | 1 | — | Call for availability | ||
| 329106-153X | Air Shift ("v" Option) 1 | 1 | $417.05 | Add to Cart | ||
| 328591-30X | $508.28 | Add to Cart | ||||
| 328591-28X | $392.52 | Add to Cart | ||||
| 328591-70X | $903.54 | Add to Cart | ||||
| 328591-29X | — | No longer available — call for replacement | ||||
| 328591-124X | $587.12 | Add to Cart | ||||
| 328591-125X | — | No longer available — call for replacement | ||||
| 328591-110X | — | No longer available — call for replacement | ||||
| 328591-123X | $808.30 | Add to Cart | ||||
| 328591-111X | — | No longer available — call for replacement | ||||
| 328591-117X | $992.95 | Add to Cart | ||||
| 328591-115X | — | No longer available — call for replacement | ||||
| 328591-139X | — | No longer available — call for replacement | ||||
| 328591-99X | — | No longer available — call for replacement | ||||
| 328591-96X | — | No longer available — call for replacement | ||||
| 328591-100X | $428.29 | Add to Cart | ||||
| 328591-101X | $745.73 | Add to Cart | ||||
| 328591-126X | — | No longer available — call for replacement | ||||
| 328591-102X | — | No longer available — call for replacement | ||||
| 328591-103X | $1,037.62 | Add to Cart | ||||
| 328591-98X | — | No longer available — call for replacement | ||||
| 328591-48X | $1,029.12 | Add to Cart | ||||
| 328591-143X | $221.71 | Add to Cart | ||||
| 328591-142X | — | No longer available — call for replacement | ||||
| 328591-55X | $382.35 | Add to Cart | ||||
| 328591-53X | $122.93 | Add to Cart | ||||
| 328591-56X | $382.35 | Add to Cart | ||||
| 328591-54X | $122.93 | Add to Cart | ||||
| 328591-113X | $1,002.61 | Add to Cart | ||||
| 328591-134X | $583.72 | Add to Cart | ||||
| 328591-78X | $586.51 | Add to Cart | ||||
| 328591-131X | $1,115.57 | Add to Cart | ||||
| 328591-27X | $402.60 | Add to Cart | ||||
| 328591-10X | $174.50 | Add to Cart | ||||
| 328591-11X | $369.75 | Add to Cart | ||||
| 328591-16X | $357.11 | Add to Cart | ||||
| 328591-17X | $357.11 | Add to Cart | ||||
| 328591-52X | $260.80 | Add to Cart | ||||
| 328591-130X | $690.01 | Add to Cart | ||||
| 328591-122X | $639.97 | Add to Cart | ||||
| 328591-121X | $710.56 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 660 — every part in the manual, matched to our live inventory. We stock 250 of the 311 parts above; 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 Chelsea Illustrated Parts List covering the 660 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 660 |
| PTO type | Chelsea 600 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 24 pages |
| Format | PDF — free download |
What’s inside
- Gear sets & output shaft assemblies
- Shifter & air-shift control kits
- Mounting gaskets & adapter plates
- Housings & cover assemblies
- Seal, bearing & snap-ring kits
- Application & ratio reference tables
- Exploded views with OEM part numbers
Chelsea parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Chelsea PTO 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.
Browse all Chelsea PTO parts — rebuild kits, seal kits, gears & shift covers — or shop complete Chelsea PTO units.