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J.I. Case 550H

J.I. Case 550H tractor
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The J.I. Case 550H is a bulldozer manufactured by J.I. Case from 1999 to 2008 as part of the H Series. It features a 3.9L 4-cylinder diesel engine producing 75 hp gross and 67 hp net, with a 4-speed torque converter transmission. The tractor uses crawler drive with bull gear final drives and hydraulic wet disc brakes. It has a four-post ROPS canopy for operator safety. Fuel capacity is 30.5 gallons and the hydraulic system holds 10.3 gallons. The open center hydraulic system operates at 2500 psi with a pump flow of 21.9 gpm. The 550H offers various track options (LT, WT, LGP) with different widths and ground pressures, and weighs between 14,317 and 14,960 pounds depending on configuration. Attachments include front-mount blades in 34-inch and 110-inch widths with hydraulic lift and angle capabilities.
J.I. Case 550Hbulldozerspecificationsenginetransmissiondimensionshydraulicsattachmentscrawler tractor
Power-
Founded-
Model550H

Technical Specifications

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

Power

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

Engine

Type:diesel, 4-cylinder, liquid-cooled
Model:Case 4-390
Torque:191 lb-ft (259.0 Nm)
Starter:electric
Idle RPM:800-2420
Rated RPM:2200
Torque RPM:1600
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 qts (10.4 L)
Power (gross):75 hp (55.9 kW)
Starter volts:12
Coolant capacity:16.5 qts (15.6 L)

General

Series:H Series
Category:Bulldozer
Production years:1999 - 2008

Capacity

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

Electrical

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:21.9 gpm (82.9 lpm)

Mechanical

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

References

Publication:H Series Crawler Dozers 550H/650H published in 2000, by J.I. Case

Attachments

34" Blade:Case LT, front-mount, 34 inches width (86 cm), 33 inches height (83 cm), 34 inches lift (86 cm), 14 inches tilt (35 cm), Angling 25°, 19.5 inches cut (49 cm), hydraulic-lift, hydraulic-angle
110" Blade:Case WT/LGP, front-mount, 110 inches width (279 cm), 33 inches height (83 cm), 34 inches lift (86 cm), 16 inches tilt (40 cm), Angling 25°, 19.5 inches cut (49 cm), hydraulic-lift, hydraulic-angle

Transmission

Type:torque converter
Gears:4 forward and reverse

Dimensions & Tracks

Weight:14317 to 14960 pounds
LT Gauge:53 inches (134 cm)
WT Gauge:64 inches (162 cm)
LGP Gauge:64 inches (162 cm)
Height (ROPS):101.8 inches (258 cm)
Ripper Weight:1270 lbs (576 kg)
LT dozer length:156 inches (396 cm)
Track width (LT):16 inches (40 cm)
Track width (WT):20 inches (50 cm)
LGP Height (ROPS):102.6 inches (260 cm)
Track width (LGP):26 inches (66 cm)
LT Operating Weight:14317 lbs (6494 kg)
WT Operating Weight:14600 lbs (6622 kg)
WT/LGP dozer length:156 inches (396 cm)
LGP Operating Weight:14960 lbs (6785 kg)
Track area on ground (LT):2496 in² (1.6 m²)
Track area on ground (WT):3120 in² (2.0 m²)
Track area on ground (LGP):4056 in² (2.6 m²)
Track ground pressure (LT):5.7 psi (0.4 bar)
Track ground pressure (WT):4.6 psi (0.3 bar)
Track ground pressure (LGP):3.7 psi (0.3 bar)
Track length on ground (LT):78 inches (198 cm)
Track length on ground (WT):78 inches (198 cm)
Track length on ground (LGP):78 inches (198 cm)