Case industrial tractors
J.I. Case 550
The J.I. Case 550 is a bulldozer manufactured from 1989 to 1991. It features a Case 3.9L 4-cylinder diesel engine producing 75 hp gross and 67 hp net. The tractor uses a 4-speed power shift transmission and a crawler drive with bull gear final drives. It has hydraulic wet disc brakes and a four-post ROPS for safety. The fuel capacity is 27.5 gallons, and the hydraulic system holds 8.5 gallons. The open center hydraulic system operates at 1650 psi with a pump flow of 22 gpm. The tractor weighs 13,300 lbs and has 16-inch tracks with various ground pressure and area specifications for LT and LGP tracks. Electrical system includes a 12-volt battery with 950 CCA and a 65-amp alternator. Attachments include front-mount blades in 96 and 104 inch widths with hydraulic lift and angle capabilities.
Power-
Founded-
Model550
Technical Specifications
Detailed specifications and technical data for J.I. Case 550
Power
| Engine (net) | 67 hp (50.0 kW) |
|---|---|
| Engine (gross) | 75 hp (55.9 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Case 4-390 |
| Notes | The turbocharged 4T-390 was also available for high-altitude use with the same power ratings. |
| Torque | 201 lb-ft (272.6 Nm) |
| Cooling | liquid-cooled inline |
| Starter | electric |
| Cylinders | 4-cylinder |
| Torque RPM | 1600 |
| Air cleaner | dry |
| Bore/Stroke | 4.00x4.72 inches (102 x 120 mm) |
| Compression | 18.5:1 |
| Fuel system | direct injection |
| 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 | 16.4 qts (15.5 L) |
Height
| ROPS | 100.6 inches (255 cm) |
|---|---|
| Exhaust | 89.7 inches (227 cm) |
| Steering wheel | 73 inches (185 cm) |
Tracks
| LT width | 16 inches (40 cm) |
|---|---|
| LGP width | 2.8 inches (7 cm) |
| LT area on ground | 2496 in² (1.6 m²) |
| LGP area on ground | 4368 in² (2.8 m²) |
| LT ground pressure | 5.3 psi (0.4 bar) |
| LGP ground pressure | 3.0 psi (0.2 bar) |
| LT length on ground | 78 inches (198 cm) |
| LGP length on ground | 78 inches (198 cm) |
Capacity
| Fuel | 27.5 gal (104.1 L) |
|---|---|
| Hydraulic system | 8.5 gal (32.2 L) |
Dimensions
| Weight | 13300 lbs (6032 kg) |
|---|---|
| Gauge (LT) | 53 inches (134 cm) |
| Gauge (LGP) | 64 inches (162 cm) |
| LT dozer length | 154.8 inches (393 cm) |
| LGP dozer length | 154.8 inches (393 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 950 |
| Battery volts | 12 |
| Charging amps | 65 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 8.5 gal (32.2 L) |
| Pressure | 1650 psi (113.8 bar) |
| Pump flow | 22 gpm (83.3 lpm) |
Mechanical
| Drive | crawler |
|---|---|
| Brakes | Hydraulic wet disc brakes |
| Safety | Four-post ROPS |
| Final drives | bull gear |
Production
| Type | Bulldozer |
|---|---|
| Years made | 1989 - 1991 |
| Manufacturer | J.I. Case |
Attachments
| Details | 96" Blade Case LT front-mount 96 inches width (243 cm), 30 inches height (76 cm), 30 inches lift (76 cm), 13 inches tilt (33 cm), Angling 25°, 19.6 inches cut (49 cm), hydraulic-lift, hydraulic-angle; 104" Blade Case LGP front-mount 104 inches width (264 cm), 28 inches height (71 cm), 39 inches lift (99 cm), 14 inches tilt (35 cm), Angling 25°, 19.6 inches cut (49 cm), hydraulic-lift, hydraulic-angle |
|---|---|
| Blade types | blade |
Transmission
| Type | power shift |
|---|---|
| Gears | 4 forward and reverse |
| Oil capacity | 32 qts (30.3 L) |
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