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Allis Chalmers H-4 Loader

Allis Chalmers H-4 Loader tractor
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The Allis Chalmers H-4 Loader is an industrial crawler tractor produced from 1966 to 1969. It features a 3.3L 4-cylinder gasoline engine producing 59 hp gross, a 3-speed torque converter transmission, and crawler drive with external band brakes. The tractor has an open operator station and is equipped with a front-end loader attachment capable of lifting 5000 lbs full at pin with a breakout force of 10900 lbs. It has 10 or 12 inch wide tracks, weighs 12400 lbs, and offers hydraulic pressure of 1625 psi with a 15 gpm pump flow, optional 25 gpm. Dimensions include a length of 154.5 inches, width of 66 inches, and height of 73.625 inches at the hood. The H-4 Loader is designed for industrial applications requiring robust crawler performance and loader capability.
Allis ChalmersH-4 Loaderindustrial crawler tractor3.3L gasoline enginetorque converter transmissionfront-end loadercrawler trackstractor specifications
Power-
Founded-
ModelH-4 Loader

Technical Specifications

Detailed specifications and technical data for Allis Chalmers H-4 Loader

Power

Engine (gross):59 hp (44.0 kW)

Engine

Type:Allis Chalmers 3.3L 4-cyl gasoline
Torque:172 lb-ft (233.2 Nm)
Starter:electric
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 (wide):12 inches (30 cm)
Width (narrow):10 inches (25 cm)
Ground pressure:7.4 psi (0.5 bar)
Area on ground (wide):837 in² (0.5 m²)
Area on ground (narrow):697.5 in² (0.5 m²)
Length on ground (wide):69.75 inches (177 cm)
Length on ground (narrow):69.75 inches (177 cm)

Variants

H-4:crawler
H-4 Loader:loader-crawler

Dimensions

Gauge:51 inches (129 cm)
Width:66 inches (167 cm)
Length:154.5 inches (392 cm)
Weight:12400 lbs (5624 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

References

Loader & Ripper for H-4 & HD-4 Crawler Tractors:published in 1965, by Allis Chalmers

Attachments

Type:front-end loader
Dump time:2.7s
Dump angle:45°
Lower time:5.61s
Raise time:6.53s
Bucket width:66 inches (167 cm)
Lift capacity:5000 lbs (2268 kg) full at pin
Rollback time:2.4s
Breakout force:10900 lbs (4944 kg)
Reach (dumped):29 inches (73 cm)
Reach (ground):62.5 inches (158 cm)
Height (at pin):120 inches (304 cm)
Clearance (dumped):98 inches (248 cm)
Rollback (ground line):38°

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.