Allis Chalmers industrial tractors
Allis Chalmers H-4 Loader
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.
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. |
|---|
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