Allis Chalmers 7080 - Horsepower, Weight, Specs, Problems, Price & More
The Allis Chalmers 7080 tractor is powered by a Allis Chalmers 7.0L 6-cyl diesel engine that provides 210hp / 156.6kW of horsepower and torque. It has a 4x2 2WD drive configuration and a partial power shift transmission.
Engine
The engine is a 6-cylinder liquid-cooled Allis Chalmers 7.0L diesel with an intercooled turbocharger. It has a displacement of 426ci / 7.0L and a bore/stroke of 4.25x5.00inches / 108x 127 mm. The engine has a power output of 210hp / 156.6kW and a compression ratio of 16:1. It has a dry air cleaner with pre-cleaner and a rated RPM of 2550. The engine has a starter voltage of 12 and an oil capacity of 25qts / 23.7L, with a coolant capacity of 36qts / 34.1L.
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Find Suppliers & Request SamplesTransmission
The transmission is an Allis-Chalmers Power Director with a partial power shift type. It has 20 forward and 4 reverse gears, with a two-range power shift (lo/hi) and two ranges (fast/slow). The power shift is controlled by foot buttons. The engine has a power output of 210hp / 156.6kW, with a drawbar (claimed) of 154hp / 114.8kW and a PTO (claimed) of 181.5hp / 135.3kW. The drawbar (tested) is 148.89hp / 111.0kW, while the PTO (tested) is 181.51hp / 135.4kW. The transmission is a 20-speed partial power shift.
Brakes
The brakes are differential hydraulic wet disc. The Allis Chalmers 670HI intercooled turbocharged diesel 6-cylinder liquid-cooled engine powers the brakes. The engine has a power output of 210hp / 156.6kW, with a compression ratio of 16:1. It has a dry air cleaner with pre-cleaner and a rated RPM of 2550. The engine has a starter voltage of 12 and an oil capacity of 25qts / 23.7L, with a coolant capacity of 36qts / 34.1L. The brakes have a good stopping power and are reliable.
Steering
The steering is power-assisted and has a fuel tank capacity of 64gal / 242.2L. The Allis Chalmers 7.0L 6-cylinder diesel engine powers the steering. The engine has a power output of 210hp / 156.6kW, with a compression ratio of 16:1. It has a dry air cleaner with pre-cleaner and a rated RPM of 2550. The engine has a starter voltage of 12 and an oil capacity of 25qts / 23.7L, with a coolant capacity of 36qts / 34.1L. The steering is responsive and easy to operate.
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Find Suppliers & Request SamplesCommon Problems
Users have reported issues with the chassis of the Allis Chalmers 7080, specifically with the 4x2 2WD configuration. The final drives have also been known to cause problems. Some users have reported issues with the power steering, which can be difficult to operate. The cab can be noisy, and some users have reported issues with the air conditioning. The 20-speed partial power shift transmission has also been known to cause problems.
What Users Like
Users appreciate the Allis Chalmers 7080's large ag tires, which include an 11.00x16 front tire and a choice of several rear tire sizes, including 23.1x30, 24.5x32, 30.5x32, 15.5x38, 16.9x38, and 20.8x38. The tractor has good lifting capacity and is reliable. Users also appreciate the power-assisted steering, which is responsive and easy to operate. The differential hydraulic wet disc brakes have good stopping power and are reliable. The Allis Chalmers 7.0L 6-cylinder diesel engine is powerful and has a good compression ratio.
Allis Chalmers 7080 Technical Specifications
Power | |
| Engine | 210hp / 156.6kW |
| Drawbar (claimed) | 154hp / 114.8kW |
| Pto (claimed) | 181.5hp / 135.3kW |
| Drawbar (tested) | 148.89hp / 111.0kW |
| Pto (tested) | 181.51hp / 135.4kW |
Engine Detail | |
| Description | Allis Chalmers 670HI intercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 426ci / 7.0L |
| Bore/stroke | 4.25x5.00inches / 108x 127 mm |
| Power | 210hp / 156.6kW |
| Air Cleaner | dry with pre-cleaner |
| Compression | 16:1 |
| Rated Rpm | 2550 |
| Starter Volts | 12 |
| Oil Capacity | 25qts / 23.7L |
| Coolant Capacity | 36qts / 34.1L |
Engine | |
| Description | Allis Chalmers 7.0L 6-cyl diesel |
| Fuel Tank | 64gal / 242.2L |
Transmission | |
| Transmission | Allis-Chalmers Power Director |
| Type | partial power shift |
| Gears | 20 forward and 4 reverse |
| Oil Capacity | 29.6qts / 28.0L |
| Description | Five gears, plus reverse, with two ranges (fast/slow) and two-range power shift (lo/hi). Power shift controlled by foot buttons. |
Mechanical | |
| Chassis | 4x2 2WD |
| Final Drives | inboard planetary |
| Steering | power |
| Brakes | differential hydraulic wet disc |
| Cab | Acousta cab standard with heat, air-conditioning optional. Radio and 8-track player optional. Four-post ROPS canopy available. |
| Transmission | 20-speed partial power shift |
Tires | |
| Ag Front | 11.00x16 |
| Ag Rear | 23.1x30/24.5x32/30.5x32/15.5x38/16.9x38/20.8x38/18.4x42 |
Dimensions | |
| Wheelbase | 106inches / 269cm |
| Length | 163inches / 414cm |
| Width | 95.5inches / 242cm/119.5inches / 303cm (optional long axle) |
| Weight | 13638lbs / 6186kg |
| Ground Clearance | 22inches / 55cm (front axle)/29inches / 73cm (rear axle) |
| Rear Axle | 4.00 inch diameter /101 mm |
Dimensions And Tires | |
| Wheelbase | 106inches / 269cm |
| Weight | 13638lbs / 6186kg |
| Front Tire | 14Lx16 |
| Rear Tire | 20.8x38 |
Serial Numbers | |
| Location | Above PTO shield |
| 1975 | 1007 |
| 1976 | 1572 |
| 1977 | 2051 |
| 1978 | 3001 |
| 1979 | 3268 |
| 1980 | 3648 |
| 1981 | 3954 |
Hydraulics | |
| Type | closed center |
| Valves | 2 or 3 |
| Pump Flow | 23gpm / 87.1lpm |
| Total Flow | 47gpm / 177.9lpm |
| Steering Flow | 10gpm / 37.9lpm |
Tractor Hitch | |
| Rear Type | 3/2 |
| Rear Lift (at 24 | 6,680lbs / 3030kg |
Speeds | |
| Description | With 20.8x38 rear tires |
Power Take Off Pto | |
| Rear Pto | independent |
| Rear Rpm | 1000 |
Height | |
| Steering Wheel | 88inches / 223cm |
| Hood | 69inches / 175cm |
| Exhaust | 117inches / 297cm |
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