The John Deere 5103 is a 2WD or 4WD utility tractor from the 5003 series. This tractor was manufactured by John Deere in Pune, Maharashtra, India from 2003 to 2008. The John Deere 5103 is equipped with a 2.9 L three-cylinder natural aspirated diesel engine until engine serial number 106597 and turbocharged version after.
The JD 5103 utility tractor used the John Deere 3029 diesel engine. It is a 2.9 L, 2,933 cm2, (179 cu·in) three-cylinder diesel engine with 106.5 mm (4.19 in) of the cylinder bore and 110.0 mm (4.33 in) of the piston stroke. The compression ratio rating is 17.8:1. The naturally aspirated version of this engine produced 33.2 PS (24.4 kW; 32.7 HP) of output power and the turbocharged version produced 37.9 PS (27.9 kW; 37.4 HP) at 2,700 rpm of output power.
The John Deere 5103 is equipped with hydrostatic power steering, differential wet disc brakes, two-post foldable ROPS and 68.0 liters (18 US gal.; 15 Imp. gal) fuel tank.
John Deere 5103 Specifications
| General Specifications | |
| Model | John Deere 5103 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,040 mm (80.3 in) |
| Weight (shipping)) | 2WD: 2,100 kg (4,630 lbs) 4WD: 2,280 kg (5,030 lbs) |
| Fuel tank capacity | 68.0 liters (18 US gal.; 15 Imp. gal) |
| Battery | 12V, CCA 623A |
| Cabin type | Foldable two-post ROPS |
| Engine | |
| Engine model | John Deere 3029D |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 2.9 L, 2933 cm2, (179 cu·in) |
| Bore and stroke | 106.5 mm X 110.0 mm (4.19 in X 4.33 in) |
| Compression ratio | 17.8:1 |
| Horsepower | 33.2 PS (24.4 kW; 32.7 HP) at rpm |
| Torque | 139.0 N·m (14.2 kg·m, 102.4 ft·lb) at rpm |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Coolant capacity: | 9.5 L (10 US. qt, 8.4 Imp. qt.) |
| Engine | |
| Engine model | John Deere 3029T |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 2.9 L, 2933 cm2, (179 cu·in) |
| Bore and stroke | 106.5 mm X 110.0 mm (4.19 in X 4.33 in) |
| Compression ratio | 17.8:1 |
| Horsepower | 37.9 PS (27.9 kW; 37.4 HP) at 2,700 rpm |
| Torque | 139.0 N·m (14.2 kg·m, 102.4 ft·lb) at rpm |
| Starter | Electric |
| Oil capacity: | 8.5 L (9 US. qt, 7.5 Imp. qt.) |
| Coolant capacity: | 9.5 L (10 US. qt, 8.4 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Hydrostatic power |
| Brakes | Differential wet disc |
| Transmission model | SyncReverser |
| Transmission type | Partially synchronized |
| Gears | 9 forward and 3 reverse |
| Speed | Forward: 25.8 kmh (16 mph) Reverse: 20.0 (12.4 mph) |
| Transmission oil capacity | 37.9 L (10 US. gal, 8.3 Imp. gal.) |
| Transmission model | SyncShuttle |
| Transmission type | Partially synchronized |
| Gears | 9 forward and 3 reverse |
| Speed | Forward: 25.8 kmh (16 mph) Reverse: 20.0 (12.4 mph) |
| Transmission oil capacity | 37.9 L (10 US. gal, 8.3 Imp. gal.) |
| Transmission model | Collar Shift |
| Transmission type | Partially synchronized |
| Gears | 8 forward and 4 reverse |
| Tires | |
| Front tires | Ag: 7.5-16 (2WD), 8.3-24 (4WD) |
| Rear tires | Ag: 13.6-28 |
| Three-Point Hitch | |
| Caterogy | II/I |
| Control type | – |
| Lift capacity (at ends) | 1,630 kg (3,595 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Pump flow | 9.5 gpm (36 lpm) |
| Steering flow | 6.8 gpm (25.7 lpm) |
| Total flow | 16.3 gpm (61.7 lpm) |
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