Chelsea PTO 645 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Bill of Materials 626, 628, 630, 645 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 42P217X | Adapter Body Assembly Standard Mount 1 Or | $593.39 | Add to Cart | |||
| 42P220X | Adapter Body Assembly Standard Mount 1 | $593.39 | Add to Cart | |||
| 42P231X | Adapter Body Assembly Standard Mount | $891.99 | Add to Cart | |||
| 42P223X | Adapter Body Assembly Standard Mount | $580.11 | Add to Cart | |||
| 42P218X | Adapter Body Assembly Deep Mount 1 | $593.08 | Add to Cart | |||
| 42P221X | Adapter Body Assembly Deep Mount 1 | $642.49 | Add to Cart | |||
| 42P232X | Adapter Body Assembly Deep Mount | $797.94 | Add to Cart | |||
| 42P224X | Adapter Body Assembly Deep Mount | $580.11 | Add to Cart | |||
| 42P226XD | Adapter Body Assembly Dowel Pin Mount 1 | — | Call for availability | |||
| 42P223XD | Adapter Body Assembly Dowel Pin Mount | — | Call for availability | |||
| 42P225XD | Adapter Body Assembly Dowel Pin Mount | — | Call for availability | |||
| 9P88 | Idler Shaft 1 Or 1 | $79.32 | Add to Cart | |||
| 9P89 | Idler Shaft (pressure Lube Option) 1 1 | $207.54 | Add to Cart | |||
| 14P731 | Bearing Adjusting Spacer (.149" .151 ") A. R. A. | $10.38 | Add to Cart | |||
| 14P732 | Bearing Adjusting Spacer (.152" .154") A. R. A. | $11.01 | Add to Cart | |||
| 14P733 | Bearing Adjusting Spacer (.155" .157") A. R. A. | $10.38 | Add to Cart | |||
| 14P734 | Bearing Adjusting Spacer (.158" .160") A. R. A. | $10.76 | Add to Cart | |||
| 28P191 | O-ring (for Slip Fit Idler Shaft) 1 1 | $3.59 | Add to Cart | |||
| 31P102 | Thrust Washer 1 1 Adapter Gear (see Model Designator & Gear Chart) 1 1 | $3.72 | Add to Cart | |||
| 379672 | O-ring Plug W/ Sockethead Face (nwd Plug) 1 1 | $12.09 | Add to Cart | |||
| 550439 | Tapered Bearing Cone 2 2 | $51.63 | Add to Cart | |||
| 68P2 | Name Plate 1 1 | $2.65 | Add to Cart | |||
| 378422 | Drive Screw 2 2 Loose Parts | $11.52 | Add to Cart | |||
| 328075X | Pressure Lube Hose Assembly 1 1 | $150.56 | Add to Cart | |||
| 32894826X | Sealant & Installation Instructions (“d” Mount Only) 1 | — | Call for availability | |||
| 32894822X | Gasket & Installation Instructions (all Other Mounting Types) 1 | $39.58 | Add to Cart | |||
| 32894820X | Gasket & Installation Instructions (all Mounting Types) 1 | $51.03 | Add to Cart | |||
| 32817076X | Stud Kit (adapter To Transmission / Std Mount) 1 Or | $30.69 | Add to Cart | |||
| 32817077X | Stud Kit (adapter To Transmission / Deep Mount) 1 | $38.59 | Add to Cart | |||
| 717078X | Stud Kit (adapter To Transmission / Metric “g” Mount) 1 | $84.56 | Add to Cart | |||
| 717072X | Stud Kit (adapter To Transmission / Metric “dja” Mount) 1 | $53.10 | Add to Cart | |||
| 328170209X | Stud Kit (adapter To Transmission / “x” & “z” Mount) 1 | $311.32 | Add to Cart | |||
| 328170201X | Stud Kit (adapter To Transmission / Metric “g” Mount) 1 Stud Kit ( P.t.o. To Adapter) 1 1 Mounting Spacer ( Between Adapter & P.t.o.) 1 1 | $74.25 | Add to Cart |
626 Gear Chart 626, 628, 630, 645 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1001 | 626*AB — Helix Angle Spur, Teeth 19 | $1,260.77 | Add to Cart | |||
| 7A140 | Spacer For 626*AB | $125.73 | Add to Cart | |||
| 71703X | Stud Kit For 626*AB | $29.55 | Add to Cart | |||
| 5P1004 | 626*AH — Helix Angle Spur, Teeth 22 | $244.88 | Add to Cart | |||
| 5P1006 | 626*AP — Helix Angle Left Hand, Teeth 21 | $368.61 | Add to Cart | |||
| 5P1183 | **gx — Helix Angle Right Hand, Teeth 21 | $244.00 | Add to Cart | |||
| 5P1008 | 626*AR — Helix Angle Left Hand, Teeth 21 | $535.77 | Add to Cart | |||
| 7A187 | Spacer For 626*AR | $50.92 | Add to Cart | |||
| 5P1184 | **gy — Helix Angle Right Hand, Teeth 21 | $798.34 | Add to Cart | |||
| 5P1009 | 626*AW — Helix Angle Left Hand, Teeth 22 | $187.23 | Add to Cart | |||
| 7A270 | Spacer For 626*AW | $135.78 | Add to Cart | |||
| 71704X | Stud Kit For 626*AW | $85.02 | Add to Cart | |||
| 5P1185 | **gz — Helix Angle Right Hand, Teeth 22 | $198.12 | Add to Cart | |||
| 5P1015 | 626*BG — Helix Angle Left Hand, Teeth 23 | $321.54 | Add to Cart | |||
| 5P1187 | **hb — Helix Angle Right Hand, Teeth 23 | $355.29 | Add to Cart | |||
| 5P1023 | 626*BQ — Helix Angle Left Hand, Teeth 25 | $566.00 | Add to Cart | |||
| 7A200 | Spacer For 626*BQ | $99.21 | Add to Cart | |||
| 5P1022 | **bp — Helix Angle Right Hand, Teeth 26 | $539.57 | Add to Cart | |||
| 5P1029 | 626*CB — Helix Angle Left Hand, Teeth 25 | — | No longer available — call for replacement | |||
| 5P1189 | **hd — Helix Angle Right Hand, Teeth 25 | $350.72 | Add to Cart | |||
| 5P1031 | 626*CD — Helix Angle Left Hand, Teeth 27 | $474.18 | Add to Cart | |||
| 5P1190 | **he — Helix Angle Right Hand, Teeth 27 | $502.57 | Add to Cart | |||
| 5P1037 | 626*DA — Helix Angle Spur, Teeth 23 | $419.96 | Add to Cart | |||
| 5P1050 | 626*DU — Helix Angle Left Hand, Teeth 28 | $480.56 | Add to Cart | |||
| 7A240 | Spacer For 626*DU | $114.99 | Add to Cart | |||
| 5P1193 | **hh — Helix Angle Right Hand, Teeth 28 | $323.27 | Add to Cart | |||
| 5P1056 | 626*ED — Helix Angle Left Hand, Teeth 34 | $389.02 | Add to Cart | |||
| 5P1195 | **hk — Helix Angle Right Hand, Teeth 34 | $738.72 | Add to Cart | |||
| 5P1059 | 626*ES — Helix Angle Left Hand, Teeth 22 | $271.87 | Add to Cart | |||
| 7A062 | Spacer For 626*ES | $14.85 | Add to Cart | |||
| 5P1196 | **hl — Helix Angle Right Hand, Teeth 22 | $397.02 | Add to Cart | |||
| 5P1060 | 626*EV — Helix Angle Spur, Teeth 40 | $473.37 | Add to Cart | |||
| 7A300 | Spacer For 626*EV | $118.17 | Add to Cart | |||
| 5P1061 | 626*EW — Helix Angle Left Hand, Teeth 20 | $384.70 | Add to Cart | |||
| 7A125 | Spacer For 626*EW | $57.65 | Add to Cart | |||
| 5P1197 | **hm — Helix Angle Right Hand, Teeth 20 | $327.95 | Add to Cart | |||
| 5P1064 | 626*FC — Helix Angle Left Hand, Teeth 26 | $245.32 | Add to Cart | |||
| 7A165 | Spacer For 626*FC | $61.08 | Add to Cart | |||
| 5P1199 | **hp — Helix Angle Right Hand, Teeth 26 | — | No longer available — call for replacement | |||
| 5P1237 | 626*HY — Helix Angle Left Hand, Teeth 26 | $350.67 | Add to Cart | |||
| 71701X | Stud Kit For 626*HY | $21.76 | Add to Cart | |||
| 5P1244 | **jb — Helix Angle Right Hand, Teeth 26 | $332.13 | Add to Cart | |||
| 5P1243 | 626DJA — Helix Angle Left Hand, Teeth 27 | $810.05 | Add to Cart | |||
| 5P1247 | **jc — Helix Angle Right Hand, Teeth 27 | $237.91 | Add to Cart | |||
| 5P1261 | 626*JK — Helix Angle Left Hand, Teeth 24 | $423.27 | Add to Cart | |||
| 5P1262 | **jl — Helix Angle Right Hand, Teeth 24 | $452.27 | Add to Cart | |||
| 5P1263 | 626*JM — Helix Angle Left Hand, Teeth 22 | $292.22 | Add to Cart | |||
| 5P1264 | **jn — Helix Angle Right Hand, Teeth 22 | — | Call for availability | |||
| 5P1316 | 626*JU — Helix Angle Left Hand, Teeth 25 | $451.82 | Add to Cart | |||
| 5P1318 | **ka — Helix Angle Right Hand, Teeth 25 | $464.31 | Add to Cart | |||
| 5P1319 | 626*JW — Helix Angle Left Hand, Teeth 23 | $350.66 | Add to Cart | |||
| 7A093 | Spacer For 626*JW | $58.54 | Add to Cart | |||
| 5P1321 | **kb — Helix Angle Right Hand, Teeth 23 | $364.77 | Add to Cart | |||
| 71702X | Stud Kit For 628*DA | $30.69 | Superseded by 32817076XAdd to Cart | |||
| 71705X | Stud Kit For 628*DU | $38.91 | Add to Cart |
630 Gear Chart 626, 628, 630, 645 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1001 | 630*AB — Helix Angle Spur, Teeth 19 | $1,260.77 | Add to Cart | |||
| 7A140 | Spacer For 630*AB | $125.73 | Add to Cart | |||
| 71703X | Stud Kit For 630*AB | $29.55 | Add to Cart | |||
| 5P1004 | 630*AH — Helix Angle Spur, Teeth 22 | $244.88 | Add to Cart | |||
| 5P1006 | 630*AP — Helix Angle Left Hand, Teeth 21 | $368.61 | Add to Cart | |||
| 5P1183 | **gx — Helix Angle Right Hand, Teeth 21 | $244.00 | Add to Cart | |||
| 5P1008 | 630*AR — Helix Angle Left Hand, Teeth 21 | $535.77 | Add to Cart | |||
| 7A187 | Spacer For 630*AR | $50.92 | Add to Cart | |||
| 5P1184 | **gy — Helix Angle Right Hand, Teeth 21 | $798.34 | Add to Cart | |||
| 5P1015 | 630*BG — Helix Angle Left Hand, Teeth 23 | $321.54 | Add to Cart | |||
| 5P1187 | **hb — Helix Angle Right Hand, Teeth 23 | $355.29 | Add to Cart | |||
| 5P1023 | 630*BQ — Helix Angle Left Hand, Teeth 25 | $566.00 | Add to Cart | |||
| 7A200 | Spacer For 630*BQ | $99.21 | Add to Cart | |||
| 71704X | Stud Kit For 630*BQ | $85.02 | Add to Cart | |||
| 5P1022 | **bp — Helix Angle Right Hand, Teeth 26 | $539.57 | Add to Cart | |||
| 5P1025 | 630*BS — Helix Angle Left Hand, Teeth 26 | $474.18 | Add to Cart | |||
| 7A062 | Spacer For 630*BS | $14.85 | Add to Cart | |||
| 5P1024 | **br — Helix Angle Right Hand, Teeth 26 | — | No longer available — call for replacement | |||
| 5P1031 | 630*CD — Helix Angle Left Hand, Teeth 27 | $474.18 | Add to Cart | |||
| 7A270 | Spacer For 630*CD | $135.78 | Add to Cart | |||
| 5P1190 | **he — Helix Angle Right Hand, Teeth 27 | $502.57 | Add to Cart | |||
| 5P1037 | 630*DA — Helix Angle Spur, Teeth 23 | $419.96 | Add to Cart | |||
| 5P1050 | 630*DU — Helix Angle Left Hand, Teeth 28 | $480.56 | Add to Cart | |||
| 7A240 | Spacer For 630*DU | $114.99 | Add to Cart | |||
| 5P1193 | **hh — Helix Angle Right Hand, Teeth 28 | $323.27 | Add to Cart | |||
| 5P1056 | 630*ED — Helix Angle Left Hand, Teeth 34 | $389.02 | Add to Cart | |||
| 5P1195 | **hk — Helix Angle Right Hand, Teeth 34 | $738.72 | Add to Cart | |||
| 5P1059 | 630*ES — Helix Angle Left Hand, Teeth 22 | $271.87 | Add to Cart | |||
| 5P1196 | **hl — Helix Angle Right Hand, Teeth 22 | $397.02 | Add to Cart | |||
| 5P1060 | 630*EV — Helix Angle Spur, Teeth 40 | $473.37 | Add to Cart | |||
| 7A300 | Spacer For 630*EV | $118.17 | Add to Cart | |||
| 5P1061 | 630*EW — Helix Angle Left Hand, Teeth 20 | $384.70 | Add to Cart | |||
| 7A125 | Spacer For 630*EW | $57.65 | Add to Cart | |||
| 5P1197 | **hm — Helix Angle Right Hand, Teeth 20 | $327.95 | Add to Cart | |||
| 5P1070 | 630*FN — Helix Angle Left Hand, Teeth 26 | $430.19 | Add to Cart | |||
| 5P1201 | **hr — Helix Angle Right Hand, Teeth 26 | — | No longer available — call for replacement | |||
| 5P1237 | 630*HY — Helix Angle Left Hand, Teeth 26 | $350.67 | Add to Cart | |||
| 71701X | Stud Kit For 630*HY | $21.76 | Add to Cart | |||
| 5P1244 | **jb — Helix Angle Right Hand, Teeth 26 | $332.13 | Add to Cart | |||
| 5P1243 | 630DJA — Helix Angle Left Hand, Teeth 27 | $810.05 | Add to Cart | |||
| 7A165 | Spacer For 630DJA | $61.08 | Add to Cart | |||
| 5P1247 | **jc — Helix Angle Right Hand, Teeth 27 | $237.91 | Add to Cart | |||
| 5P1261 | 630*JK — Helix Angle Left Hand, Teeth 24 | $423.27 | Add to Cart | |||
| 5P1262 | **jl — Helix Angle Right Hand, Teeth 24 | $452.27 | Add to Cart | |||
| 5P1263 | 630*JM — Helix Angle Left Hand, Teeth 22 | $292.22 | Add to Cart | |||
| 5P1264 | **jn — Helix Angle Right Hand, Teeth 22 | — | Call for availability | |||
| 5P1316 | 630*JU — Helix Angle Left Hand, Teeth 25 | $451.82 | Add to Cart | |||
| 5P1318 | **ka — Helix Angle Right Hand, Teeth 25 | $464.31 | Add to Cart | |||
| 5P1319 | 630*JW — Helix Angle Left Hand, Teeth 23 | $350.66 | Add to Cart | |||
| 7A093 | Spacer For 630*JW | $58.54 | Add to Cart | |||
| 5P1321 | **kb — Helix Angle Right Hand, Teeth 23 | $364.77 | Add to Cart |
645 Gear Chart 626, 628, 630, 645 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1001 | 645*AB — Helix Angle Spur, Teeth 19 | $1,260.77 | Add to Cart | |||
| 7A140 | Spacer For 645*AB | $125.73 | Add to Cart | |||
| 71703X | Stud Kit For 645*AB | $29.55 | Add to Cart | |||
| 5P1003 | 645*AG — Helix Angle Spur, Teeth 22 | $464.19 | Add to Cart | |||
| 5P1004 | 645*AH — Helix Angle Spur, Teeth 22 | $244.88 | Add to Cart | |||
| 5P1006 | 645*AP — Helix Angle Left Hand, Teeth 21 | $368.61 | Add to Cart | |||
| 5P1183 | **gx — Helix Angle Right Hand, Teeth 21 | $244.00 | Add to Cart | |||
| 5P1008 | 645*AR — Helix Angle Left Hand, Teeth 21 | $535.77 | Add to Cart | |||
| 7A187 | Spacer For 645*AR | $50.92 | Add to Cart | |||
| 5P1184 | **gy — Helix Angle Right Hand, Teeth 21 | $798.34 | Add to Cart | |||
| 5P1009 | 645*AW — Helix Angle Left Hand, Teeth 22 | $187.23 | Add to Cart | |||
| 7A270 | Spacer For 645*AW | $135.78 | Add to Cart | |||
| 71704X | Stud Kit For 645*AW | $85.02 | Add to Cart | |||
| 5P1185 | **gz — Helix Angle Right Hand, Teeth 22 | $198.12 | Add to Cart | |||
| 5P1023 | 645*BQ — Helix Angle Left Hand, Teeth 25 | $566.00 | Add to Cart | |||
| 7A200 | Spacer For 645*BQ | $99.21 | Add to Cart | |||
| 5P1022 | **bp — Helix Angle Right Hand, Teeth 26 | $539.57 | Add to Cart | |||
| 5P1029 | 645*CB — Helix Angle Left Hand, Teeth 25 | — | No longer available — call for replacement | |||
| 5P1189 | **hd — Helix Angle Right Hand, Teeth 25 | $350.72 | Add to Cart | |||
| 5P1031 | 645*CD — Helix Angle Left Hand, Teeth 27 | $474.18 | Add to Cart | |||
| 5P1190 | **he — Helix Angle Right Hand, Teeth 27 | $502.57 | Add to Cart | |||
| 5P1037 | 645*DA — Helix Angle Spur, Teeth 23 | $419.96 | Add to Cart | |||
| 5P1050 | 645*DU — Helix Angle Left Hand, Teeth 28 | $480.56 | Add to Cart | |||
| 7A240 | Spacer For 645*DU | $114.99 | Add to Cart | |||
| 5P1193 | **hh — Helix Angle Right Hand, Teeth 28 | $323.27 | Add to Cart | |||
| 5P1056 | 645*ED — Helix Angle Left Hand, Teeth 34 | $389.02 | Add to Cart | |||
| 5P1195 | **hk — Helix Angle Right Hand, Teeth 34 | $738.72 | Add to Cart | |||
| 5P1059 | 645*ES — Helix Angle Left Hand, Teeth 22 | $271.87 | Add to Cart | |||
| 7A062 | Spacer For 645*ES | $14.85 | Add to Cart | |||
| 5P1196 | **hl — Helix Angle Right Hand, Teeth 22 | $397.02 | Add to Cart | |||
| 5P1060 | 645*EV — Helix Angle Spur, Teeth 40 | $473.37 | Add to Cart | |||
| 7A300 | Spacer For 645*EV | $118.17 | Add to Cart | |||
| 5P1061 | 645*EW — Helix Angle Left Hand, Teeth 20 | $384.70 | Add to Cart | |||
| 7A125 | Spacer For 645*EW | $57.65 | Add to Cart | |||
| 5P1197 | **hm — Helix Angle Right Hand, Teeth 20 | $327.95 | Add to Cart | |||
| 5P1064 | 645*FC — Helix Angle Left Hand, Teeth 26 | $245.32 | Add to Cart | |||
| 7A165 | Spacer For 645*FC | $61.08 | Add to Cart | |||
| 5P1199 | **hp — Helix Angle Right Hand, Teeth 26 | — | No longer available — call for replacement | |||
| 5P1070 | 645*FN — Helix Angle Left Hand, Teeth 26 | $430.19 | Add to Cart | |||
| 5P1201 | **hr — Helix Angle Right Hand, Teeth 26 | — | No longer available — call for replacement | |||
| 5P1157 | 645*GR — Helix Angle Spur, Teeth 23 | $191.75 | Add to Cart | |||
| 5P1237 | 645*HY — Helix Angle Left Hand, Teeth 26 | $350.67 | Add to Cart | |||
| 71701X | Stud Kit For 645*HY | $21.76 | Add to Cart | |||
| 5P1244 | **jb — Helix Angle Right Hand, Teeth 26 | $332.13 | Add to Cart | |||
| 5P1243 | 645DJA — Helix Angle Left Hand, Teeth 27 | $810.05 | Add to Cart | |||
| 5P1247 | **jc — Helix Angle Right Hand, Teeth 27 | $237.91 | Add to Cart | |||
| 5P1248 | 645*JD — Helix Angle Left Hand, Teeth 20 | $298.78 | Add to Cart | |||
| 5P1249 | **je — Helix Angle Right Hand, Teeth 20 | $165.08 | Add to Cart | |||
| 5P1261 | 645*JK — Helix Angle Left Hand, Teeth 24 | $423.27 | Add to Cart | |||
| 5P1262 | **jl — Helix Angle Right Hand, Teeth 24 | $452.27 | Add to Cart | |||
| 5P1263 | 645*JM — Helix Angle Left Hand, Teeth 22 | $292.22 | Add to Cart | |||
| 5P1264 | **jn — Helix Angle Right Hand, Teeth 22 | — | Call for availability | |||
| 5P1268 | 645*JP — Helix Angle Left Hand, Teeth 33 | $296.52 | Add to Cart | |||
| 5P1269 | **jq — Helix Angle Right Hand, Teeth 33 | $153.24 | Add to Cart | |||
| 5P1310 | 645*JS — Helix Angle Left Hand, Teeth 20 | — | No longer available — call for replacement | |||
| 5P1312 | **jy — Helix Angle Right Hand, Teeth 20 | — | Call for availability | |||
| 5P1316 | 645*JU — Helix Angle Left Hand, Teeth 25 | $451.82 | Add to Cart | |||
| 5P1318 | **ka — Helix Angle Right Hand, Teeth 25 | $464.31 | Add to Cart | |||
| 5P1319 | 645*JW — Helix Angle Left Hand, Teeth 23 | $350.66 | Add to Cart | |||
| 7A093 | Spacer For 645*JW | $58.54 | Add to Cart | |||
| 5P1321 | **kb — Helix Angle Right Hand, Teeth 23 | $364.77 | Add to Cart | |||
| 5P1405 | 645*KJ — Helix Angle Left Hand, Teeth 33 | — | Call for availability | |||
| 5P1406 | **kk — Helix Angle Right Hand, Teeth 33 | — | Call for availability | |||
| 5P1407 | 645*KL — Helix Angle Left Hand, Teeth 29 | — | Call for availability | |||
| 5P1408 | **km — Helix Angle Right Hand, Teeth 29 | — | Call for availability | |||
| 5P1383 | 645*KN — Helix Angle Left Hand, Teeth 27 | $279.18 | Add to Cart | |||
| 5P1384 | **kp — Helix Angle Right Hand, Teeth 27 | — | Call for availability |
This is the complete factory parts breakdown for the Chelsea PTO 645 — every part in the manual, matched to our live inventory. We stock 184 of the 206 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 645 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 645 |
| PTO type | Chelsea 600 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 13 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.