The Allis Chalmers 7045 tractor is powered by a Allis Chalmers 7.0L 6-cyl diesel engine that provides 173hp / 129.0kW of horsepower and torque. It has a 4x2 2WD drive configuration and a 20-speed partial power shift 12-speed partial power shift transmission.

Engine

The engine is a 6-cylinder liquid-cooled inline Allis Chalmers 670T turbocharged diesel with a displacement of 426ci / 7.0L. It has a bore/stroke of 4.25x5.00inches / 108x 127mm and a compression ratio of 16:1. The engine is rated at 173hp / 129.0kW at 2300 rpm. It has a dry air cleaner with pre-cleaner and a starter voltage of 12. The oil capacity is 19qts / 18.0L and the coolant capacity is 31qts / 29.3L.


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Transmission

The transmission is available in two options: a 20-speed partial power shift or a 12-speed partial power shift. Both options have a drawbar (claimed) power of 124hp / 92.5kW and a PTO (claimed) power of 145hp / 108.1kW. The drawbar (tested) power is 123.35hp / 92.0kW and the PTO (tested) power is 146.88hp / 109.5kW. The transmission is reliable and easy to use, with smooth shifting between gears. It provides excellent control and power to the tractor.

Brakes

The brakes are differential power wet disc brakes. They are reliable and provide excellent stopping power. The brakes are easy to use and require minimal maintenance. The Allis Chalmers 7045 has a standard differential lock that provides additional traction and control in difficult terrain. The brakes are well-suited for heavy-duty applications and provide excellent performance in all conditions.



Steering

The steering is hydrostatic power steering. It is responsive and provides excellent control over the tractor. The Allis Chalmers 7045 has a fuel tank capacity of 51gal / 193.0L and an optional auxiliary tank with a capacity of 13gal / 49.2L. The steering is easy to use and provides excellent maneuverability, making it well-suited for a variety of applications.


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Common Problems

Users have reported issues with the Allis Chalmers 7045's final drives, which are inboard planetary. These issues can lead to reduced performance and require costly repairs. Additionally, some users have reported problems with the cab's air conditioning system, which can be unreliable and require frequent maintenance. Finally, some users have reported issues with the tractor's transmission, which can be difficult to shift and require frequent maintenance.

What Users Like

Users appreciate the Allis Chalmers 7045's excellent performance and reliability. The tractor is well-suited for heavy-duty applications and provides excellent power and control. Users also appreciate the tractor's smooth and responsive steering, which makes it easy to maneuver in tight spaces. Finally, users appreciate the tractor's comfortable cab, which provides excellent visibility and is well-suited for long hours of operation.

Allis Chalmers 7045 Technical Specifications

Power

Engine173hp / 129.0kW
Drawbar (claimed)124hp / 92.5kW
Pto (claimed)145hp / 108.1kW
Drawbar (tested)123.35hp / 92.0kW
Pto (tested)146.88hp / 109.5kW

Engine Detail

DescriptionAllis Chalmers 670T turbocharged diesel 6-cylinder liquid-cooled Inline
Displacement426ci / 7.0L
Bore/stroke4.25x5.00inches / 108x 127mm
Power173hp / 129.0kW
Air Cleanerdry with pre-cleaner
Compression16:1
Rated Rpm2300
Starter Volts12
Oil Capacity19qts / 18.0L
Coolant Capacity31qts / 29.3L

Engine

DescriptionAllis Chalmers 7.0L 6-cyl diesel
Fuel Tank51gal / 193.0L 13gal / 49.2L (optional auxiliary tank)

Mechanical

Chassis4x2 2WD
Final Drivesinboard planetary
Differential Lockstandard
Steeringhydrostatic power
Brakesdifferential power wet disc
CabAcousta cab standard with heat. Air-conditioning optional. Radio and 8-track player optional. Four-post ROPS canopy optional
Transmissions20-speed partial power shift 12-speed partial power shift

Tires

Ag Front10.00x16
Ag Rear23.1x30 / 24.5x32 / 30.5x32 / 20.8x34 / 15.5x38 / 16.9x38 / 20.8x38 / 18.4x42

Dimensions

Wheelbase106inches / 269cm
Length168inches / 426cm
Width95.5inches / 242cm 119.5inches / 303cm (optional long axle)
Ground Clearance21inches / 53cm (front axle) 28inches / 71cm (rear axle)
Rear Axle4.00inch diameter / 101mm

Dimensions And Tires

Wheelbase106inches / 269cm
Weight11450 to 14500 pounds
Front Tire11.00x16
Rear Tire18.4x38

Serial Numbers

LocationAbove PTO shield
19781234
19792152
19803399
19814225

Hydraulics

Typeclosed center
Valves2 or 3
Pump Flow22gpm / 83.3lpm
Total Flow45gpm / 170.3lpm
Steering Flow9.5gpm / 36.0lpm

Tractor Hitch

Rear Type3/2
Rear Lift (at 246,680lbs / 3030kg

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000

Weight

Shipping11,450lbs / 5193kg
Operating14,500lbs / 6577kg (duals)
Ballasted18,990lbs / 8613kg

Height

Steering Wheel87inches / 220cm
Hood68inches / 172cm
Exhaust116inches / 294cm

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