Allis Chalmers industrial tractors
Allis Chalmers HD-41
The Allis Chalmers HD-41 is an industrial crawler tractor produced from 1970 to 1973. It features a powerful Cummins VT-1710 12-cylinder turbocharged diesel engine with 524 hp (390.7 kW). The tractor uses a 3-speed power shift transmission by Twin Disc and has a crawler drive with planetary final drives. It offers an open operator station with an optional cab. The HD-41 has a fuel capacity of 300 gallons and a hydraulic system capacity of 52 gallons with an open center hydraulic system operating at 2000 psi. The tractor weighs 101,500 lbs and runs on 32-inch wide tracks. Various front-mount blades are available as attachments, including 204", 240", and 136" blades with different dimensions and weights.
Power-
Founded-
ModelHD-41
Technical Specifications
Detailed specifications and technical data for Allis Chalmers HD-41
Power
| Engine power | 524 hp (390.7 kW) |
|---|
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Cummins VT-1710 |
| Power | 524 hp (390.7 kW) |
| Cooling | liquid-cooled |
| Cylinders | 12-cylinder |
| Rated RPM | 2100 |
| Air cleaner | dry |
| Bore/Stroke | 5.50x6.00 inches (140 x 152 mm) |
| Displacement | 1710 ci (28.0 L) |
| Oil capacity | 80 qts (75.7 L) |
| Starter type | electric |
| Coolant capacity | 152 qts (143.9 L) |
Tracks
| Width | 32 inches (81 cm) |
|---|---|
| Area on ground | 9184 in² (5.9 m²) |
| Ground pressure | 11 psi (0.8 bar) |
| Length on ground | 143.5 inches (364 cm) |
Capacity
| Fuel | 300 gal (1135.5 L) |
|---|---|
| Hydraulic system | 52 gal (196.8 L) |
Dimensions
| Gauge | 100 inches (254 cm) |
|---|---|
| Width | 133.5 inches (339 cm) |
| Length | 242 inches (614 cm) |
| Weight | 101500 lbs (46040 kg) |
| Shipping weight | 101500 lbs (46040 kg) |
| Ground clearance | 22.25 inches (56 cm) |
| 41HC dozer length | 307 inches (779 cm) |
| 41HS dozer length | 305 inches (774 cm) |
| 41HU dozer length | 331 inches (840 cm) |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 52 gal (196.8 L) |
| Pressure | 2000 psi (137.9 bar) |
| Pump flow | 140 gpm (529.9 lpm) |
Mechanical
| Drive | crawler |
|---|---|
| Final drives | planetary |
| Operator station | Open operator station. Cab optional. |
Production
| Type | Industrial Crawler tractor |
|---|---|
| Manufacturer | Allis Chalmers |
| Years produced | 1970 - 1973 |
Attachments
| 136" Blade | Allis Chalmers 41HC, front-mount, 136 inches width (345 cm), 57 inches height (144 cm), 40 inches lift (101 cm), 52 inches cut (132 cm), 15560 lbs (7058 kg) |
|---|---|
| 204" Blade | Allis Chalmers 41HS, front-mount, 204 inches width (518 cm), 72 inches height (182 cm), 61 inches lift (154 cm), 22 inches tilt (55 cm), 24 inches cut (60 cm), 16800 lbs (7620 kg) |
| 240" Blade | Allis Chalmers 41HU, front-mount, 240 inches width (609 cm), 86 inches height (218 cm), 61 inches lift (154 cm), 26 inches tilt (66 cm), 24 inches cut (60 cm), 22430 lbs (10174 kg) |
Transmission
| Type | power shift |
|---|---|
| Gears | 3 forward and reverse |
| Manufacturer | Twin Disc |
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