Production | |
| Manufacturer: | John Deere |
| Type: | Compact Utility tractor |
| Factory: | Augusta, Georgia, USA |
John Deere 3720 Power | |
| Engine: | 44 hp 32.8 kW |
Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | power |
| Brakes: | wet disc |
| Cab: | Two-post foldable ROPS. Cab optional. |
| Transmission: | hydrostatic |
Capacity | |
| ROPS Fuel: | 13.5 gal 51.1 L |
| Cab Fuel: | 11.8 gal 44.7 L |
| Hydraulic system: | 6.8 gal 25.7 L |
Hydraulics | |
| Type: | open center |
| Capacity: | 6.8 gal 25.7 L |
| Valves: | 5 |
| Pump flow: | 8.6 gpm 32.6 lpm |
| Total flow: | 13.9 gpm 52.6 lpm |
Tractor hitch | |
| Rear Type: | I |
| Rear lift (at ends): | 2,530 lbs 1147 kg |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540 |
| Mid PTO: | optional |
| Mid RPM: | 2100 |
3720 Serial Numbers | |
| Location: | Serial number plate above front axle of the John Deere 3720 on right side of tractor. |
| 2005: | 170001 |
| 2006: | 280001 |
| 2007: | 380001 |
| 2008: | 480001 |
| 2009: | 522001 |
Electrical | |
| Ground: | negative |
| ROPS Charging amps: | 40 |
| Cab Charging amps: | 75 |
| Battery CCA: | 500 |
| Battery volts: | 12 |
Engine Detail | |
| Yanmar 3TNV84HT | |
| turbocharged diesel | |
| 3-cylinder | |
| liquid-cooled | |
| Displacement: | 91.5 ci 1.5 L |
| Bore/Stroke: | 3.3x3.54 inches 84 x 90 mm |
| Power: | 44 hp 32.8 kW |
| Fuel system: | direct injection |
| Compression: | 18.5:1 |
| Rated RPM: | 2600 |
| Torque: | 101.1 lb-ft 137.1 Nm |
| Torque RPM: | 1560 |
| Starter volts: | 12 |
| Oil capacity: | 6 qts 5.7 L |
| Coolant capacity: | 5.6 qts 5.3 L |
Transmission | |
| Transmission: | Sauer-Danfoss eHydro |
| Type: | hydrostatic |
| Gears: | infinite (3-range) forward and reverse |
| Controlled by two foot pedals and range shift lever. Tractor must be stopped before shifting ranges. Cruise control standard. SpeedMatch allows maximum speed to be limited. MotionMatch allows acceleration rate to be set. LoadMatch allows engine RPMs to be set, tractor will adjust speed to maintain RPMs. | |
Dimensions | |
| Wheelbase: | 68 inches 172 cm |
| Length: | 120.2 inches 305 cm |
| Width: | 52.4 inches 133 cm *Minimum |
| Height (hood): | 57 inches 144 cm |
| Height (ROPS): | 93.3 inches 236 cm |
| ROPS Weight: | 2,900 lbs 1315 kg |
| Cab Weight: | 3,570 lbs 1619 kg |
| Clearance (rear axle): | 12.2 inches 30 cm |
| Rear tread: | 40.6/45.3/48.9/53.1/56.6 inches 103/115/124/134/143 cm |