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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.
John Deere 450Gbulldozerspecificationsenginetransmissiondimensionshydraulicsattachments
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