The John Deere 4400 is a 4WD compact utility tractor from the 4000 Compact series. This tractor was manufactured by the John Deere in Augusta, Georgia, USA from 1998 to 2001. The John Deere 4400 tractor is equipped with a 1.6 L three-cylinder diesel engine and one of two transmissions: partially synchronized transmission with 12 forward and 12 reverse gears or hydrostatic transmission with infinite (3-range) forward and reverse.
The John Deere 4400 compact utility tractor used the Yanmar 3TNE88 engine. It is a 1.6 L, 1624 cm2, (99.1 cu·in) three-cylinder natural aspirated diesel engine with 88.0 mm (3.46 in) of the cylinder bore and 90.0 mm (3.54 in) of the piston stroke. The compression ratio rating is 18.0:1. This engine produced 36.2 PS (26.6 kW; 35.7 HP) at 2,700 rpm of maximum output power.
The John Deere 4400 is equipped with power steering, differential wet disc brakes, open operator station with two-post ROPS and 37.9 liters (10 US gal.; 8.3 Imp. gal) fuel tank.
Following attachments are available for the John Deere 4400 compact utility tractor:
- Mid-mount John Deere 60 in (1,520 mm) mower deck with 3-blades
- Mid-mount John Deere 72 in (1,820 mm) mower deck with 3-blades
- John Deere 420 loader
- John Deere 430 loader
- John Deere 47 backhoe
- John Deere 48 backhoe
John Deere 4400 Specifications
| General Specifications | |
| Model | John Deere 4400 |
| Length | 2,970 mm (116.9 in) |
| Width | 1,270 mm (50 in) |
| Height | 2,130 mm (83.9 in) |
| Wheel base | 1,720 mm (67.7 in) |
| Weight | 1,315 kg (2,899 lbs) |
| Fuel tank capacity | 37.9 liters (10 US gal.; 8.3 Imp. gal) |
| Battery | 12V, CCA 500A |
| Cabin type | Open operator station with two-post ROPS |
| Engine | |
| Engine model | Yanmar 3TNE88 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 1.6 L, 1,624 cm2, (99.1 cu·in) |
| Bore and stroke | 88.0 mm X 90.0 mm (3.46 in X 3.54 in) |
| Compression ratio | 18.0:1 |
| Horsepower | 36.2 PS (26.6 kW; 35.7 HP) at 2,700 rpm |
| Starter | Electric |
| Oil capacity: | 4.3 L (4.5 US. qt, 3.8 Imp. qt.) |
| Coolant capacity: | 5.8 L (6.1 US. qt, 5.1 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Differential wet disc |
| Differential lock | Mechanical |
| Transmission model | SyncReverser |
| Transmission type | Partially synchronized |
| Gears | 12 forward and 12 reverse |
| Speed | Forward: 25.1 kmh (15.6 mph) Reverse: 25.1 (15.6 mph) |
| Transmission oil capacity | 23.8 L (6.3 US. gal, 5.2 Imp. gal.) |
| Transmission model | – |
| Transmission type | Hydrostatic |
| Gears | Infinite (3-range) forward and reverse |
| Speed | Forward: 24.9 kmh (15.5 mph) Reverse: 24.9 (15.5 mph) |
| Transmission oil capacity | 25.7 L (6.8 US. gal, 5.7 Imp. gal.) |
| Tires | |
| Front tires | Ag: 7.00×14 |
| Rear tires | Ag: 11.2×24 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | – |
| Lift capacity (at ends) | 997 kg (2,198 lbs) |
| PTO (Power take-off shaft) | |
| Middle PTO type | Optional |
| Middle PTO spped | 2,100 rpm |
| Rear PTO type | Independent with wet disc clutch |
| Rear PTO spped | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pressure | 2,500 psi (172 bar) |
| Valves | 2 |
| Pump flow | 8.3 gpm (31.4 lpm) |
| Steering flow | 5.0 gpm (18.9 lpm) |
| Total flow | 12.3 gpm (46.6 lpm) |
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