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J.I. Case 550G

J.I. Case 550G tractor
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The J.I. Case 550G is a crawler bulldozer produced from 1995 to 1998 as part of the G Series. It features a 75 hp (gross) Case 4-390 4-cylinder liquid-cooled diesel engine with a 4-speed torque converter transmission. The tractor has a crawler drive with bull gear final drives and hydraulic wet disc brakes. It includes a four-post ROPS with canopy for operator safety. The 550G has a fuel capacity of 30.5 gallons and a hydraulic system capacity of 10.3 gallons with an open center hydraulic system operating at 2500 psi. The dozer length is 154.5 inches with an operating weight between 13,600 and 14,000 pounds depending on configuration. Track widths and ground pressures vary with standard and LGP (low ground pressure) options. Attachments include front-mount blades of 96 and 104 inches width with hydraulic lift and angle capabilities. Electrical system features a 12-volt negative ground with a 65 amp alternator and 700 CCA battery.
J.I. Case 550GCase 550Gcrawler bulldozer75 hp bulldozerCase 4-390 enginetorque converter transmissiontractor specifications
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Model550G

Technical Specifications

Detailed specifications and technical data for J.I. Case 550G

Power

Engine (net):67 hp (50.0 kW)
Engine (gross):75 hp (55.9 kW)

Engine

Type:diesel
Model:Case 4-390
Torque:186 lb-ft (252.2 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Rated RPM:2200
Torque RPM:1450
Bore/Stroke:4.02x4.72 inches (102 x 120 mm)
Power (net):67 hp (50.0 kW)
Displacement:239 ci (3.9 L)
Oil capacity:11.2 qts (10.6 L)
Power (gross):75 hp (55.9 kW)
Starter volts:12
Coolant capacity:16.5 qts (15.6 L)

Tracks

Width:16 inches (40 cm)
LGP width:20 inches (50 cm), 28 inches (71 cm)
Area on ground:2496 in² (1.6 m²)
Ground pressure:5.5 psi (0.4 bar)
Length on ground:78 inches (198 cm)
LGP area on ground:3120 in² (2.0 m²), 4368 in² (2.8 m²)
LGP ground pressure:4.3 psi (0.3 bar), 3.2 psi (0.2 bar)
LGP length on ground:78 inches (198 cm)

Capacity

Fuel:30.5 gal (115.4 L)
Hydraulic system:10.3 gal (39.0 L)

Dimensions

Gauge:53 inches (134 cm)
LGP Gauge:64 inches (162 cm)
Dozer length:154.5 inches (392 cm)
Height (ROPS):100.6 inches (255 cm)
Ground clearance:12.7 inches (32 cm)
LGP dozer length:154.5 inches (392 cm)
Operating weight:13600 lbs (6168 kg)
LGP Operating weight:14000 lbs (6350 kg)

Electrical

Ground:negative
Battery CCA:700
Battery volts:12
Charging amps:65
Charging system:alternator

Hydraulics

Type:open center
Capacity:10.3 gal (39.0 L)
Pressure:2500 psi (172.4 bar)
Pump flow:18.6 gpm (70.4 lpm)
LGP Pressure:2200 psi (151.7 bar)

Mechanical

ROPS:Four-post ROPS with canopy
Drive:crawler
Brakes:Hydraulic wet disc brakes
Final drives:bull gear

Production

Type:Bulldozer
Series:G Series
Years produced:1995 - 1998

Attachments

96" Blade

Cut:19.6 inches (49 cm)
Lift:39 inches (99 cm)
Tilt:13 inches (33 cm)
Brand:Case
Mount:front-mount
Width:96 inches (243 cm)
Height:30 inches (76 cm)
Angling:25°
Features:hydraulic-lift, hydraulic-angle

104" Blade

Cut:19.6 inches (49 cm)
Lift:39 inches (99 cm)
Tilt:14 inches (35 cm)
Brand:Case LGP
Mount:front-mount
Width:104 inches (264 cm)
Height:28 inches (71 cm)
Angling:25°
Features:hydraulic-lift, hydraulic-angle

Transmission

Type:torque converter
Gears:4 forward and reverse
Oil capacity:32 qts (30.3 L)