Engine
| Displacement | 3.3 L |
|---|---|
| Aspiration | naturally aspirated |
| Rated speed | 1500 rpm |
This engine also powers 6 generator set(s) on Facts About Generators.
Parts
81| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 0120-1346 | Pump-Oil | 1 | Pump | Amazon eBay |
| 0130-6174 | Hose-Radiator-Top | 1 | Hose | Amazon eBay |
| 0130-6175 | Hose-Radiator-Bottom | 1 | Hose | Amazon eBay |
| 0140-3829 | Air Cleaner Kit (Normal Duty) (cw Clamp) | 1 | Air filter | Amazon eBay |
| 0140-3840 | Air Cleaner Element | 1 | Air filter | Amazon eBay |
| 0149-2744 | Separator-Fuel/Water | 1 | Fuel filter | Amazon eBay |
| 0155-4286 | Gasket | 1 | Gasket | Amazon eBay |
| 0179-3782 | Air Cleaner Instl | 1 | Air filter | Amazon eBay |
| 0193-0430-01 | Sender-Pressure | 1 | Sensor | Amazon eBay $22.20 FridayParts $29.60 |
| 0193-0432 | Thermostat | 1 | Thermostat | Amazon eBay |
| 0193-0567 | Gauge-Fuel Level | 1 | Sensor | Amazon eBay |
| 0193-0568 | Coolant Level Switch / Sensor-Low Coolant Level | 1 | Sensor | Amazon eBay |
| 0309-0436 | Sender-Temperature (E2, E4) (listed as Thermostat in the SRF radiator section) | 1 | Sensor | Amazon eBay |
| 0309-0641-19 | Sender-Pressure (also listed as Switch-Pressure) | 1 | Sensor | Amazon eBay $99.00 |
| 0501-0874 | Line-Fuel (Return) | 1 | Hose | Amazon eBay |
| 0501-0875 | Line-Fuel (Feed) | 2 | Hose | Amazon eBay |
| 0502-1507 | Adapter-Hose (Oil) | 1 | Hose | Amazon eBay |
| 0503-0685 | Clamp-Hose (6mm-16mm) | 1 | Hose | Amazon eBay |
| 0503-1620 | Hose-Fuel (3/8" ID X 5/8" OD) | 1 | Hose | Amazon eBay |
| 0503-2474-06 | Hose-Steam | 1 | Hose | Amazon eBay |
| 0503-2474-07 | Hose-Steam | 1 | Hose | Amazon eBay |
| 0503-2546 | Hose-Flexible | 1 | Hose | Amazon eBay |
| 0503-2633-01 | Hose-Drain | 1 | Hose | Amazon eBay |
| 0503-2653 | Hose-Coolant (Top) | 1 | Hose | Amazon eBay |
| 0503-2654 | Hose-Coolant (Bottom) | 1 | Hose | Amazon eBay |
| 0541-1111 | Air Cleaner (Heavy Duty) | 1 | Air filter | Amazon eBay |
| 0100-3922 | Engine-B3.3G1 | 1 | Service part / kit | Amazon eBay |
| 0100-3985 | Engine-Accessories | 1 | Service part / kit | Amazon eBay |
| 0130-6147 | Cooling Fan (Denso radiator) | 1 | Service part / kit | Amazon eBay |
| 0130-6149 | Radiator-B3.3 (also listed as Radiator-SRF) | 1 | Service part / kit | Amazon eBay |
| 0130-6406 | Radiator Cap | 1 | Service part / kit | Amazon eBay |
| 0130-6600 | Radiator Cap | 1 | Service part / kit | Amazon eBay |
| 0155-4215 | Guard-Exhaust (Support) | 2 | Service part / kit | Amazon eBay |
| 0155-4311-02 | Guard-Exhaust | 1 | Service part / kit | Amazon eBay |
| 0159-1552 | Cap-Filler (fuel tank) | 1 | Service part / kit | Amazon eBay |
| 0179-3786 | Heater Instl | 1 | Service part / kit | Amazon eBay |
| 0179-3998 | Muffler Instl - Enclosure | 1 | Service part / kit | Amazon eBay |
| 0179-4468 | Battery Charger Instl | 1 | Service part / kit | Amazon eBay |
| 0179-4489 | Radiator Instl | 1 | Service part / kit | Amazon eBay |
| 0179-4498 | Genset Instl (SRF Radiator) | 1 | Service part / kit | Amazon eBay |
| 0179-4636 | Skid Assy (With Tank) | 1 | Service part / kit | Amazon eBay |
| 0179-4900 | Circuit Breaker Instl (MCCB) | 1 | Service part / kit | Amazon eBay |
| 0179-4915 | Circuit Breaker Instl (MCB) | 1 | Service part / kit | Amazon eBay |
| 0300-6031 | Control Assy | 1 | Service part / kit | Amazon eBay |
| 0320-1981-01 | Accessories-CB (SD Contact) | 1 | Service part / kit | Amazon eBay |
| 0320-1981-02 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | Amazon eBay |
| 0320-2225-01 | Accessories-CB (Shunt Trip) | 1 | Service part / kit | Amazon eBay |
| 0320-2225-02 | Accessories-CB (SD Contact) | 1 | Service part / kit | Amazon eBay |
| 0331-0618-02 | Locknut Conduit | 2 | Service part / kit | Amazon eBay |
| 0332-4001-01 | Rail-Terminal Block (300mm) | 1 | Service part / kit | Amazon eBay |
| 0333-0690 | Heater-Engine Coolant-240v. | 1 | Service part / kit | Amazon eBay |
| 0333-0699 | Heater-Engine Coolant-120v. | 1 | Service part / kit | Amazon eBay |
| 0337-3583-03 | Strap-Ground | 2 | Service part / kit | Amazon eBay |
| 0337-3583-04 | Strap-Ground | 2 | Service part / kit | Amazon eBay |
| 0338-4487 | Harness-Engine (Mechanical governor) | 1 | Service part / kit | Amazon eBay |
| 0338-4646 | Harness-Engine | 1 | Service part / kit | Amazon eBay |
| 0338-4720 | Harness-Engine (Electronic governor) | 1 | Service part / kit | Amazon eBay |
| 0338-4819-02 | Harness AC | 1 | Service part / kit | Amazon eBay |
| 0338-4819-03 | Harness AC | 1 | Service part / kit | Amazon eBay |
| 0405-9086 | Enclosure Assy | 1 | Service part / kit | Amazon eBay |
| 0416-1242 | Battery | 1 | Service part / kit | Amazon eBay |
| 0504-0264-01 | Valve-Hydraulic (Oil) | 1 | Service part / kit | Amazon eBay |
| 0504-0267 | Valve-Ball M22 lock | 1 | Service part / kit | Amazon eBay |
| 0504-0284 | Valve-Drain (1/2"BSP) | 1 | Service part / kit | Amazon eBay |
| 0505-0019 | Bushing-Reducer | 1 | Service part / kit | Amazon eBay |
| 0505-2235 | Adaptor-Pipe | 1 | Service part / kit | Amazon eBay |
| 0526-0399-56 | Washer-Flat (M5) | 8 | Service part / kit | Amazon eBay |
| 0526-0399-60 | Washer-Flat (M8) | 12 | Service part / kit | Amazon eBay |
| 0526-0399-62 | Washer-Flat (M10) | 4 | Service part / kit | Amazon eBay $4.00 |
| 0541-1161 | Muffler - Loose (Option) | 1 | Service part / kit | Amazon eBay |
| 0800-0309-93 | Screw-Hex Head (M5) | 2 | Service part / kit | Amazon eBay |
| 0800-3017-19 | Screw-Hex Head (M8 X 20) | 2 | Service part / kit | Amazon eBay |
| 0800-3017-35 | Screw HHC (M10) | 1 | Service part / kit | Amazon eBay |
| 0800-3017-37 | Screw-Hex Head (M10 X 25) | 2 | Service part / kit | Amazon eBay |
| 0850-0114-52 | Washer-Lock (M5) | 2 | Service part / kit | Amazon eBay |
| 0850-0114-54 | Washer-Lock (M8) | 6 | Service part / kit | Amazon eBay |
| 0850-0114-55 | Washer-Lock (M10) | 2 | Service part / kit | Amazon eBay |
| 0862-0026-55 | Nut-Hex (M8) | 6 | Service part / kit | Amazon eBay |
| 0862-0026-56 | Nut-Hex (M10) | 2 | Service part / kit | Amazon eBay |
| 0872-0020-01 | Standoff | 2 | Service part / kit | Amazon eBay |
| 0872-0021 | Standoff | 1 | Service part / kit | Amazon eBay |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this loader
60AT179079 KuduParts $195.00 FridayParts $200.12 AT176801 KuduParts $195.00 FridayParts $200.12 RE53507 FridayParts $40.13 RE65265 FridayParts $11.50 RE55415 FridayParts $69.00 RE529118 FridayParts $118.62 RE524382 FridayParts $118.62 RE516335 FridayParts $40.50 59000 FridayParts $40.50 AT159811 FridayParts $17.50 RE30159 FridayParts $86.99 SE500349 FridayParts $86.99 SE501135 FridayParts $86.99 6E171 FridayParts $225.95 SE503051 KuduParts $165.00 FridayParts $231.28 SinoCMP $319.00 T225898 FridayParts $389.50 SinoCMP $499.00 RE10980 FridayParts $99.99 RE10981 FridayParts $99.99 RE10982 FridayParts $99.99 SE500263 FridayParts $550.00 AT225657 FridayParts $1345.00 KuduParts $1395.00 DZ100021 Amazon FridayParts $144.15 RE521756 FridayParts $144.15 AT139432 FridayParts $58.00 AT446759 FridayParts $59.99 AT447051 FridayParts $58.99 RE52507 FridayParts $203.71 SE503055 FridayParts $203.71 AT139433 FridayParts $78.99 2Pcs FridayParts $7.59 SinoCMP $27.00 KuduParts $38.00 T159751 FridayParts $42.99 T116912 FridayParts $42.99 T144404 FridayParts $40.95 T116493 FridayParts $40.95 AT225082 FridayParts $129.99 AT429042 FridayParts $75.99 AT162597 FridayParts $82.15 KuduParts $86.00 RE49486 FridayParts $94.89 T173638 FridayParts $39.89 KuduParts $165.00 AT33243 FridayParts $54.06 T173842 FridayParts $37.59 T173637 KuduParts $18.00 FridayParts $19.99 JD10058 KuduParts $27.00 FridayParts $29.35 RE521639 FridayParts $2544.88 RE553421 FridayParts $2544.88 RE522904 FridayParts $2544.88 RE567118 FridayParts $2544.88 SE501583 FridayParts $2544.88 97215J FridayParts $2544.88 AT195140 FridayParts $75.99 RE57498 FridayParts $58.30 YZ122363 KuduParts $75.00 FridayParts $76.88 AT163029 FridayParts $152.30 0501317159 FridayParts $152.30 AT184545 FridayParts $152.30 RE12180 FridayParts $37.80 AT139444 KuduParts $1250.00 FridayParts $2284.00 AT449011 KuduParts $247.00 FridayParts $257.23 RE60622 FridayParts $304.46 RE519513 Amazon eBay $228.56 FridayParts $304.46
Parts listed by aftermarket suppliers as fitting this loader — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine is in the John Deere 644 G?
The John Deere 644 G loader is powered by the Cummins/Onan B3.3G1 engine.
About
John Deere 644 G — loader. Specifications and parts compiled from manufacturer documents.