Engine
| Displacement | 0.84 L |
|---|---|
| Cylinders | 3 |
| Rated speed | 1800 rpm |
| Oil capacity | 5.8 L |
This engine also powers 11 generator set(s) on Facts About Generators.
Parts
37| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 025100012 | Seal Washer (Industrial only) | 2 | Seal | PartsGeek |
| 025100016 | Seal Washer | 1 | Seal | PartsGeek |
| 052100100 | O-Ring | 2 | Seal | PartsGeek |
| 052100150 | O-Ring | 1 | Seal | PartsGeek |
| 052100280 | O-Ring (formerly #054109013) | 1 | Gasket | PartsGeek FridayParts $168.00 |
| 052109076 | O-ring | 1 | Seal | PartsGeek |
| 052109078 | O-ring | 1 | Seal | PartsGeek |
| 054109013 | Gasket | 1 | Gasket | PartsGeek |
| 068115250 | Tube | 1 | Hose | PartsGeek |
| 110996820 | Gasket | 1 | Gasket | PartsGeek |
| 140406310 | Suction Filter | 1 | Oil filter | Amazon eBay PartsGeek |
| 140546020 | Filter Joint | 1 | Gasket | PartsGeek |
| 140606710 | Oil Drain Hose | 1 | Hose | PartsGeek |
| 185046210 | Alternator Assembly | 1 | Alternator | PartsGeek |
| 198636170 | Oil Seal | 1 | Seal | PartsGeek FridayParts $34.59 |
| 24-03100 | Oil Filter | 1 | Oil filter | Amazon eBay $23.45 PartsGeek |
| FF5114 | Fuel | 1 | Fuel filter | Amazon eBay $14.95 PartsGeek |
| LF3311 | Lube | 1 | Oil filter | Amazon eBay $14.95 PartsGeek |
| 040106203 | Bearing | 1 | Service part / kit | PartsGeek |
| 040126210 | Bearing | 2 | Service part / kit | PartsGeek |
| 042309013 | Bearing | 1 | Service part / kit | PartsGeek |
| 120116160 | Tappet | 6 | Service part / kit | PartsGeek FridayParts $31.49 |
| 120456222 | Push Rod | 6 | Service part / kit | PartsGeek |
| 120456231 | Push Rod | 6 | Service part / kit | PartsGeek |
| 140036220 | Relief Valve Assembly | 1 | Service part / kit | PartsGeek FridayParts $68.50 |
| 185446218 | Stator, complete | 1 | Service part / kit | PartsGeek |
| 198466060 | Plug | 1 | Service part / kit | PartsGeek |
| 198486770 | Bushing | 1 | Service part / kit | PartsGeek |
| 198517191 | Bush; S.T.D. (formerly #198517190) | 1 | Service part / kit | PartsGeek |
| 198517195 | Bush; U.S. 0.25 (formerly #198517194) | 1 | Service part / kit | PartsGeek |
| 198517198 | Bush; U.S. 0.50 (formerly #198517197) | 1 | Service part / kit | PartsGeek |
| 198517221 | Bush; S.T.D. (formerly #198517220) | 1 | Service part / kit | PartsGeek |
| 198517225 | Bush; U.S. 0.25 (formerly #198517224) | 1 | Service part / kit | PartsGeek |
| 198517228 | Bush; U.S. 0.50 (formerly #198517227) | 1 | Service part / kit | PartsGeek |
| NL843NK | 12 | Service part / kit | PartsGeek | |
| O843K-05/03 | 1 | Service part / kit | PartsGeek | |
| RE529956 | Breathing | 1 | Service part / kit | PartsGeek |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this tractor
42327-5221 PartsGeek 352F PartsGeek 825K PartsGeek 7J1309 PartsGeek CA7J1309 PartsGeek 312C PartsGeek 315C PartsGeek 320B PartsGeek FridayParts $51.74 325B PartsGeek FridayParts $87.37 325C PartsGeek FridayParts $87.37 365B PartsGeek 189-5746 PartsGeek FridayParts $29.90 FP-XP-0039474 PartsGeek 235B PartsGeek 3304B PartsGeek 3306B PartsGeek 2W1709 PartsGeek FP-XP-0022585 PartsGeek 3126B PartsGeek 324D PartsGeek FridayParts $80.93 329D PartsGeek FridayParts $87.37 126-5869 PartsGeek FridayParts $24.00 FP-XP-0022844 PartsGeek 420F PartsGeek 428F PartsGeek 430F PartsGeek 432F PartsGeek 434F PartsGeek 444F PartsGeek 450F PartsGeek C3.3B PartsGeek 344-7391 PartsGeek FP-XP-0039902 PartsGeek 325D PartsGeek FridayParts $87.37 326D PartsGeek 328D PartsGeek 330C PartsGeek 330D PartsGeek 336D PartsGeek M325D PartsGeek 326-1006 PartsGeek FridayParts $288.00 FP-XP-0010075 PartsGeek
Parts listed by aftermarket suppliers as fitting this tractor — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine does the Caterpillar 637 use?
The Caterpillar 637 tractor is powered by the Northern Lights 843N engine.
About
Caterpillar 637 — tractor. Specifications and parts compiled from manufacturer documents.