Allis Chalmers 7000
Power
117 hp[P] hp
Production
1975-1979
Engine
Turbocharged diesel, 6-cylinder
Transmission
Power Director
Drive
2WD
From the same series:
Introduction
Allis Chalmers 7000 Row-Crop Tractor
The Allis Chalmers 7000 is a row-crop tractor produced between 1975 and 1979 in West Allis, Wisconsin. This model was manufactured in two distinct iterations: an early version with a maroon chassis and a later version featuring a black chassis, which introduced updates to the transmission and cab design.
Engine Specifications
The tractor is powered by the Allis Chalmers 649T, a 301 cubic inch (4.9-liter) turbocharged, liquid-cooled 6-cylinder diesel engine. It operates at a rated speed of 2200 RPM. The 649T engine incorporates internal design improvements over its predecessors, including Bosch injectors and oil cooling jets to enhance durability during operation.
Transmission and Drivetrain
The 7000 utilizes a partial power shift transmission offering 12 forward and 3 reverse gears. This system features a three-range power shift between low, direct, and overdrive modes. The black-chassis models further refined this system with a new hydraulic wet clutch and torque limiter to improve power delivery and operator control.
Hydraulics and PTO
The hydraulic system is an open-center configuration providing a total flow of 25 gallons per minute (94.6 liters per minute), with a pump flow of 21 gallons per minute (79.5 liters per minute). The tractor is equipped with an independent rear PTO capable of operating at 540 or 1000 RPM at the rated engine speed, facilitating compatibility with a wide range of agricultural implements.
Dimensions and Mechanical Features
Built on a 106-inch (269 cm) wheelbase, the tractor features power steering and differential dry disc brakes to assist with maneuverability. The front tread is adjustable between 62 and 86 inches, while the rear tread is adjustable from 64 to 112 inches depending on the axle configuration. The tractor was offered with various tire options to accommodate different field conditions.
Conclusion
The Allis Chalmers 7000 is a durable row-crop tractor designed for medium-to-large scale agricultural operations. Its combination of a turbocharged engine, partial power shift transmission, and versatile hydraulic capacity makes it a suitable machine for primary tillage and field work, particularly in its later black-chassis configuration.
Production Information of Allis Chalmers, 7000
- Row-Crop tractor
- The Allis model 7000 had two versions, the early maroon (or brown) chassis and the later black chassis. The switch occured in 1978, with serial number 8000 as the first black chassis tractor. The black-chassis featured a new transmission design and new cab.
- Built in West Allis, Wisconsin, USA
| Manufacturer | Allis Chalmers |
|---|---|
| Original price | $24,860 |
| Total built | 7,264 |
Dimension and Tires Information of Allis Chalmers, 7000
| Front tread | 62 to 86 inches [157 to 218 cm] |
|---|---|
| Wheelbase | 106 inches [269 cm] |
| Rear axle | 3.25 by 88.5 inches [82 by 2247 mm] |
| Clearance (rear axle) | 29 inches [73 cm] |
| Length | 183 inches [464 cm] |
| Rear tread | 64 to 85 inches [162 to 215 cm] |
| Rear axle | 3.25 by 116 inches [82 by 2946 mm (long axle)] |
| Clearance (front axle) | 24 inches [60 cm] |
| Rear tread | 64 to 112 inches [162 to 284 cm (long axle)] |
| Ag front | 10.00-16 |
|---|---|
| Ag front(optional) | 9.5L-15 |
| Ag front(optional) | 16.9-34 |
| Ag front | 7.5-15 |
| Ag front(optional) | 23.1-30 |
| Ag rear | 18.4x38 |
| Ag rear(optional) | 11L-15 |
| Ag rear | 12.4-42 |
| Ag rear(optional) | 15.5-38 |
| Ag rear(optional) | 18.4-34 |
| Ag rear(optional) | 16.9-38 |
| Ag rear(optional) | 23.1-26 |
| Ag rear(optional) | 18.4-38 |
| Ag rear(optional) | 20.8-34 |
Engine Specifications of Allis Chalmers, 7000
- Allis Chalmers 649T
- Liquid-cooled
- The black-chassis model 7000 engine was designed the 649T, with several internal changes over the 2900 including new Bosch injectors and oil cooling jets. Rated power did not change.
- Turbocharged diesel
- 6-cylinder
| Intake valve clearance | 0.015 inches (hot) [0.381 mm] |
|---|---|
| Coolant change | 2000 h |
| Compression | 16.25:1 |
| Exhaust valve clearance | 0.015 inches (hot) [0.381 mm] |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Rated RPM | 2200 |
| Bore/Stroke | 3.875x4.25 inches [98 x 108 mm] |
| Displacement | 301 ci [4.9 L] |
| Coolant capacity | 22.5 qts [21.3 L] |
| Starter volts | 12 |
| Coolant capacity | 22.5 qts [21.3 L] |
Transmission Information of Allis Chalmers, 7000
Transmission variants 1
- Four forward gears and one reverse combined with three-range power shift between low, direct, and overdrve. Used on the maroon-chassis model 7000. Power shift was similar to the Allis Power-Director system, with a third clutch added to provide an overdrive.
| Transmission | Power Director |
|---|---|
| Transmission(optional) | 7-inch wet discs (power shift) |
| Clutch | 12-inch dry disc (main) |
| Type | Partial power shift |
| Oil capacity | 26 qts [24.6 L] |
| Gears | 12 forward and 3 reverse |
Transmission variants 2
- Four forward gears and one reverse combined with three-range power shift between low, direct, and overdrve. The black-chassis Allis 7000 used a new hydraulic wet clutch and torque limiter. A combination clutch/inching pedal put the transmission into low range when depressed.
| Type | Partial power shift |
|---|---|
| Gears | 12 forward and 3 reverse |
Mechanical Specs of Allis Chalmers, 7000
- Two-wheel drive
- Acousta-Cab optional. Acousta-Cab II on black chassis models.
- Power steering
- Differential dry disc brakes
Power Information of Allis Chalmers, 7000
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@2200 |
| Engine RPM | 540@2200 |
| Rear PTO Type | 1000 |
| Rear PTO Type(optional) | 540/1000 |
Hydraulics Specifications of Allis Chalmers, 7000
| Type | Open center |
|---|---|
| Total flow | 25 gpm [94.6 lpm] |
| Pump flow | 21 gpm [79.5 lpm] |
| Capacity | 7 gal [26.5 L] |
| Valves | 1 |
Three-Point Hitch of Allis Chalmers, 7000
| Rear Type | II |
|---|
Electrical System of Allis Chalmers, 7000
| Ground | Negative |
|---|---|
| Battery AH | 95 |
| Battery volts | 12 |
| Batteries | 1 |
| Batteries(optional) | 2 |
Where it sits
With 117 hp[P] HP, the Allis Chalmers 7000 sits between 200 (104 HP) and 7010 (118 HP) in Allis Chalmers's range. Its power puts it in the 74th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers 7000 have?
The Allis Chalmers 7000 delivers 117 hp[P] HP.
What years was the Allis Chalmers 7000 produced?
The Allis Chalmers 7000 was produced in 1975-1979.
What engine does the Allis Chalmers 7000 have?
The Allis Chalmers 7000 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the Allis Chalmers 7000 use?
The Allis Chalmers 7000 uses a Power Director transmission.
Is the Allis Chalmers 7000 4WD?
The Allis Chalmers 7000 is available in 2WD.