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Allis Chalmers H-4

Allis Chalmers H-4 tractor
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The Allis Chalmers H-4 is an industrial crawler tractor produced from 1966 to 1969. It features a 3.3L 4-cylinder gasoline engine producing 59 hp gross, with a 3-speed torque converter transmission. The tractor has a crawler drive with external band brakes and an open operator station. It includes hydraulic systems with pressures up to 1625 psi and optional pump flow rates. The H-4 is equipped with 12-inch tracks and weighs approximately 8500 lbs. Variants include the gasoline H-4, diesel HD-4, and H-4 Loader models.
Allis Chalmers H-4industrial crawler tractor3.3L gasoline engine59 hptorque converter transmissioncrawler drivetractor specifications
Power-
Founded-
ModelH-4

Technical Specifications

Detailed specifications and technical data for Allis Chalmers H-4

Power

Engine (gross):59 hp (44.0 kW)

Engine

Model:Allis Chalmers 3.3L 4-cyl gasoline
Torque:172 lb-ft (233.2 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:18 gal (68.1 L)
Rated RPM:2100
Torque RPM:1400
Air cleaner:dry
Bore/Stroke:3.88x4.25 inches (99 x 108 mm)
Compression:8.5:1
Displacement:200 ci (3.3 L)
Oil capacity:8 qts (7.6 L)
Power (gross):59 hp (44.0 kW)
Starter volts:12
Coolant capacity:16 qts (15.1 L)

Tracks

Width:12 inches (30 cm)
Other widths:10 inches (25 cm), 14 inches (35 cm)
Area on ground:765 in² (0.5 m²)
Length on ground:63.75 inches (161 cm)
Long-track width:12 inches (30 cm)
Long-track area on ground:837 in² (0.5 m²)
Long-track length on ground:69.75 inches (177 cm)

Variants

H-4:gasoline
HD-4:diesel
H-4 Loader:loader-crawler

Dimensions

Gauge:51 inches (129 cm)
Width:61 inches (154 cm) *Minimum width with 10-inch shoes
Length:108.875 inches (276 cm)
Weight:8500 lbs (3855 kg)
Height (hood):73.625 inches (187 cm)
Clearance (drawbar):10 inches (25 cm)

Hydraulics

Pressure:1625 psi (112.0 bar)
Pump flow:15 gpm (56.8 lpm)
Optional pump flow:25 gpm (94.6 lpm)

Mechanical

Drive:crawler
Brakes:External band brakes
Operator station:Open operator station

Production

Type:Industrial Crawler tractor
Years made:1966 - 1969
Manufacturer:Allis Chalmers

Transmission

Type:torque converter
Gears:3 forward and reverse
Clutch:hydraulic disc
Oil capacity:12.25 qts (11.6 L)

Serial Numbers

Location:Serial number on the front of the crawler, below the grill.