John Deere industrial tractors
John Deere 450G
The John Deere 450G is a bulldozer manufactured by John Deere from 1987 to 1995. It features a John Deere 4.5L 4-cylinder diesel engine producing 70 hp net and 73 hp gross, with a 4-speed power shift transmission. The tractor uses crawler drive with a four-post ROPS canopy and optional cab. It has an operating weight of 14,500 lbs and 16-inch wide tracks. The hydraulics system is open center with a pressure of 2750 psi and pump flow of 17 gpm, with an optional 23 gpm pump. Attachments include a 96-inch front-mount blade with hydraulic lift and angle capabilities.
Power-
Founded-
Model450G
Technical Specifications
Detailed specifications and technical data for John Deere 450G
Power
| Engine (net) | 70 hp (52.2 kW) |
|---|---|
| Engine (gross) | 73 hp (54.4 kW) |
| Drawbar (claimed) | 51 hp (38.0 kW) |
Engine
| Type | diesel, 4-cylinder, liquid-cooled |
|---|---|
| Model | John Deere 4-276D |
| Torque | 228 lb-ft (309.2 Nm) |
| Starter | electric |
| Fuel tank | 41 gal (155.2 L) |
| Rated RPM | 2100 |
| Torque RPM | 1300 |
| Air cleaner | dry |
| Bore/Stroke | 4.19x5.00 inches (106 x 127 mm) |
| Compression | 17.8:1 |
| Power (net) | 70 hp (52.2 kW) |
| Displacement | 276 ci (4.5 L) |
| Oil capacity | 9 qts (8.5 L) |
| Power (gross) | 73 hp (54.4 kW) |
| Starter volts | 12 |
| Coolant capacity | 18 qts (17.0 L) |
Tracks
| Width | 16 inches (40 cm) |
|---|---|
| Area on ground | 24428 in² (15.8 m²) |
| Ground pressure | 6.0 psi (0.4 bar) |
| Length on ground | 75.9 inches (192 cm) |
| Wide-track width | 24 inches (60 cm) |
| Wide-track area on ground | 3643 in² (2.4 m²) |
| Wide-track ground pressure | 4.4 psi (0.3 bar) |
| Wide-track length on ground | 75.9 inches (192 cm) |
Dimensions
| Gauge | 57 inches (144 cm) |
|---|---|
| Length | 161 inches (408 cm) |
| Height (ROPS) | 107 inches (271 cm) |
| Operating weight | 14500 lbs (6577 kg) |
| Wide Track Gauge | 68 inches (172 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2750 psi (189.6 bar) |
| Pump flow | 17 gpm (64.3 lpm) |
| Optional pump flow | 23 gpm (87.1 lpm) |
Mechanical
| ROPS | Four-post ROPS canopy. Cab available. |
|---|---|
| Drive | crawler |
Production
| Type | Bulldozer |
|---|---|
| Years made | 1987 - 1995 |
| Manufacturer | John Deere |
Attachments
| Blade | 96" front-mount |
|---|---|
| Blade cut | 16.7 inches (42 cm) |
| Blade lift | 33 inches (83 cm) |
| Blade tilt | 14.4 inches (36 cm) |
| Blade width | 96 inches (243 cm) |
| Blade height | 32 inches (81 cm) |
| Blade angling | 25° |
| Blade lift type | hydraulic-lift |
| Blade angle type | hydraulic-angle |
Transmission
| Type | power shift |
|---|---|
| Gears | 4 forward and reverse |
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