Allis Chalmers 7045
Power
173 hp
Production
1978-1981
Engine
Turbocharged diesel, 6-cylinder
Transmission
Power Director
Drive
2WD
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Introduction
Allis Chalmers 7045 Row-Crop Tractor
The Allis Chalmers 7045 is a high-horsepower row-crop tractor produced between 1978 and 1981 at the West Allis manufacturing facility in Wisconsin, USA. This model represents a key part of the 7000 series, designed to meet the heavy-duty operational demands of large-scale agricultural production during that era.
Engine and Performance
The tractor is powered by the Allis Chalmers 670T engine, a 7.0-liter, 6-cylinder turbocharged diesel unit. It features liquid cooling, a 16:1 compression ratio, and is rated at 2300 RPM. This engine configuration delivers 173 horsepower, providing the necessary torque for demanding field operations.
Transmission and Drivetrain
The 7045 offers two transmission configurations: a 20-speed partial power shift or a 12-speed partial power shift, both designed for efficient operation across various field speeds. The machine is configured as a two-wheel-drive unit, equipped with inboard planetary final drives and a standard differential lock to manage traction effectively.
Hydraulics and PTO
The hydraulic system utilizes a closed-center design with a total flow capacity of 45 gpm (170.3 lpm), supporting 2 or 3 valves for implement control. The independent rear PTO operates at selectable speeds of 540 or 1000 RPM, while the rear hitch provides a lift capacity of 6,680 lbs (3030 kg) measured at 24 inches behind the lift point.
Operator Environment
The tractor is equipped with the 'Acousta' cab as standard, which includes a heating system for climate control. Optional features available during production included air conditioning, a radio, an 8-track player, and a four-post ROPS canopy, allowing operators to customize the environment for improved comfort and safety.
Conclusion
The Allis Chalmers 7045 is a robust, high-performance row-crop tractor built for durability and reliability. With its substantial engine output, versatile hydraulic capacity, and flexible transmission options, it remains a capable machine for traditional agricultural tasks requiring consistent power and sustained performance.
Production Information of Allis Chalmers, 7045
- Row-Crop tractor
- Built in West Allis, Wisconsin, USA
| Manufacturer | Allis Chalmers |
|---|---|
| Original price | $43,328 |
Dimension and Tires Information of Allis Chalmers, 7045
| Rear axle | 3.75 inch diameter [95 mm] |
|---|---|
| Wheelbase | 106 inches [269 cm] |
| Ground clearance | 21 inches (front axle) [53 cm] |
| Ground clearance(optional) | 119.5 inches (optional long axle) [303 cm] |
| Length | 168 inches [426 cm] |
| Rear axle | 4.00 inch diameter [101 mm] |
| Rear axle(optional) | 28 inches (rear axle) [71 cm] |
| Width | 95.5 inches [242 cm] |
| Ag front | 11.00x16 |
|---|---|
| Ag rear | 23.1x30 |
| Ag rear(optional) | 14Lx16 |
| Ag rear | 18.4x38 |
| Ag rear(optional) | 20.8x34 |
| Ag rear(optional) | 24.5x32 |
| Ag front | 10.00x16 |
| Ag front(optional) | 18.4x42 |
| Ag front(optional) | 16.9x38 |
| Ag front(optional) | 15.5x38 |
| Ag front(optional) | 30.5x32 |
Engine Specifications of Allis Chalmers, 7045
- Allis Chalmers 670T
- Liquid-cooled Inline
- Turbocharged diesel
- 6-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 426 ci [7.0 L] |
| Air cleaner | Dry with pre-cleaner |
| Bore/Stroke | 4.25x5.00 inches [108 x 127 mm] |
| Coolant capacity | 31 qts [29.3 L] |
| Oil capacity | 19 qts [18.0 L] |
| Rated RPM | 2300 |
| Compression | 16:1 |
| Power | 173 hp [129.0 kW] |
Transmission Information of Allis Chalmers, 7045
Transmission variants 1
| Transmission | Power Director |
|---|---|
| Oil capacity | 29.6 qts [28.0 L] |
| Type | Partial power shift |
| Gears | 20 forward and 4 reverse |
Transmission variants 2
- Six gears in two ranges. Power shift between gears in range.
| Transmission | Power Shift |
|---|---|
| Type | Partial power shift |
| Gears | 12 forward and 2 reverse |
- 20-speed partial power shift
- 12-speed partial power shift
Mechanical Specs of Allis Chalmers, 7045
- Two-wheel drive
- Differential power wet disc brakes
- Acousta cab standard with heat. Air-conditioning optional. Radio and 8-track player optional. Four-post ROPS canopy optional.
| Steering | Hydrostatic power |
|---|---|
| Final drives | Inboard planetary |
| Differential lock | Standard |
Power Information of Allis Chalmers, 7045
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of Allis Chalmers, 7045
| Type | Closed center |
|---|---|
| Steering flow | 9.5 gpm [36.0 lpm] |
| Total flow | 45 gpm [170.3 lpm] |
| Valves | 2 or 3 |
| Pump flow | 22 gpm [83.3 lpm] |
Three-Point Hitch of Allis Chalmers, 7045
| Rear Type | 3/2 |
|---|---|
| Rear lift (at 24"/610mm) | 6,680 lbs [3030 kg] |
Where it sits
With 173 HP, the Allis Chalmers 7045 sits between 7040 (151 HP) and 7060 (192 HP) in Allis Chalmers's range. Its power puts it in the 87th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers 7045 have?
The Allis Chalmers 7045 delivers 173 HP.
What years was the Allis Chalmers 7045 produced?
The Allis Chalmers 7045 was produced in 1978-1981.
What engine does the Allis Chalmers 7045 have?
The Allis Chalmers 7045 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the Allis Chalmers 7045 use?
The Allis Chalmers 7045 uses a Power Director transmission.
Is the Allis Chalmers 7045 4WD?
The Allis Chalmers 7045 is available in 2WD.