| Manufacturer |
Allis Chalmers |
| Price |
24,860(USD) |
| Model |
7000 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
West Allis, Wisconsin, USA |
NEBRASKA TRACTOR TEST 1195 2
| Description |
Diesel 12-speed 2WD November 8 - 20, 1975 Link: Nebraska Tractor Test 1195 file PTO performance Drawbar performance Gear 3-I used for power test Gear 2-L used for pull test |
| Power at rated engine speed |
106.44hp / 79.4kW |
| Fuel use |
6.8gal/hour / 25.7l/hour |
| Power at rated PTO speed |
105.85hp / 78.9kW |
| Max power |
89.46hp / 66.7kW |
| Max pull |
9,907lbs / 4493kg |
ALLIS CHALMERS 7000 POWER
| Drawbar (claimed) |
89hp / 66.4kW |
| PTO (claimed) |
106hp / 79.0kW |
| Drawbar (tested) |
89.46hp / 66.7kW |
| PTO (tested) |
106.44hp / 79.4kW |
ENGINE DETAIL 1
The Allis Chalmers 7000, powered by the 2900 turbocharged diesel engine, delivers robust performance with 301ci displacement and a compression ratio of 16.25:1, making it suitable for heavy-duty tasks. Its engine operates efficiently at a rated RPM of 2200, while an idle range of 775-2465 RPM offers versatility for various field conditions. Maintenance considerations include a coolant change every 2000 hours and precise valve adjustments, crucial for optimal engine longevity and performance.
| Description |
Allis Chalmers 2900 turbocharged diesel 6-cylinder liquid-cooled The 2900 engine was used on the maroon-chassis Allis 7000, until serial number 8000 in 1978 |
| Displacement |
301ci / 4.9L |
| Bore/Stroke |
3.875x4.25inches / 98x 108mm |
| Air cleaner |
dry |
| Compression |
16.25:1 |
| Rated RPM |
2200 |
| Idle RPM |
775-2465 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Coolant capacity |
22.5qts / 21.3L |
| Coolant change |
2000h |
| Intake valve clearance |
0.015inches / 0.381mm (hot) |
| Exhaust valve clearance |
0.015inches / 0.381mm (hot) |
ENGINE OIL
The Allis Chalmers 7000 tractor has an oil capacity of 16 quarts (15.1 liters), which requires regular maintenance with an oil change interval of 100 hours to ensure optimal engine performance. Frequent oil changes are crucial to prevent engine wear and maintain efficiency, particularly in demanding agricultural tasks. Operators should monitor oil levels regularly and adhere to the specified interval to avoid potential engine damage or reduced performance.
| Oil capacity |
16qts / 15.1L |
| Oil change |
100h |
ENGINE DETAIL 2
The Allis Chalmers 7000 features a 649T turbocharged diesel engine with a notable displacement of 301ci (4.9L), providing efficient power delivery at a rated RPM of 2200. Key advantages include improved combustion efficiency from the Bosch injectors and enhanced lubrication from oil cooling jets, enhancing engine longevity. However, the high compression ratio of 16.25:1 may pose challenges in cold-start scenarios, necessitating attentive maintenance of the starter system, which operates at 12 volts.
| Description |
Allis Chalmers 649T turbocharged diesel 6-cylinder 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 |
| Displacement |
301ci / 4.9L |
| Bore/Stroke |
3.875x4.25inches / 98x 108mm |
| Compression |
16.25:1 |
| Rated RPM |
2200 |
| Firing order |
1-5-3-6-2-4 |
| Starter volts |
12 |
| Coolant capacity |
22.5qts / 21.3L |
ALLIS CHALMERS 7000 ENGINE
The Allis Chalmers 7000 features a robust 4.9L 6-cylinder diesel engine, known for its durability and efficient fuel consumption, making it suitable for a variety of agricultural applications. Key advantages include a solid power-to-weight ratio and low-end torque, enhancing performance in plowing and towing tasks. However, potential challenges include parts availability due to its age and the need for regular maintenance to ensure optimal engine health.
| Description |
Allis Chalmers 4.9L 6-cyl diesel |
TRANSMISSION 1
The Allis Chalmers 7000 tractor features a partial power shift transmission with 12 forward and 3 reverse gears, providing versatile operation in various field conditions. The integration of a 12-inch dry disc main clutch and a 7-inch wet disc power shift allows for smoother gear transitions, enhancing efficiency during tasks such as tillage or hauling. However, maintenance of the wet clutch system may require more attention, especially under heavy use, due to potential overheating and wear.
| Transmission |
Power Director |
| Type |
partial power shift |
| Gears |
12 forward and 3 reverse |
| Clutch |
12-inch dry disc (main) / 7-inch wet discs (power shift) |
| Oil capacity |
26qts / 24.6L |
| Description |
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 2
The Allis Chalmers 7000 features a 12-speed transmission with a unique three-range power shift system, enhancing versatility in various farming applications. The hydraulic wet clutch and torque limiter provide smoother engagement and increased durability, while the combination clutch/inching pedal allows for precise speed control in low range, benefiting responsive maneuverability in tight spaces. Potential challenges include maintenance of the hydraulic system and the complexity of the multi-range transmission, which may require additional operator training for optimal use.
| Type |
partial power shift |
| Gears |
12 forward and 3 reverse |
| Description |
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 |
MECHANICAL
The Allis Chalmers 7000 tractor features a 4x2 2WD chassis, which offers simplicity and reduced maintenance but may limit traction on uneven terrain compared to 4WD models. Its power steering enhances maneuverability, while the differential dry disc brakes provide reliable stopping power but can be subject to wear in wet conditions. The 12-speed partial power shift transmission allows for versatile speed control, making it suitable for various agricultural tasks, though users should be aware of potential shifting delays under heavy load.
| Chassis |
4x2 2WD |
| Steering |
power |
| Brakes |
differential dry disc |
| Cab |
Acousta-Cab optional. Acousta-Cab II on black chassis models |
| Transmission |
12-speed partial power shift |
CAPACITY
| Fuel |
37gal / 140.0L |
| Hydraulic system |
7 gal /26.5 L |
| Rear diff. |
32qts / 30.3L |
HYDRAULICS
| Type |
open center |
| Capacity |
7gal / 26.5L |
| Valves |
1 |
| Pump flow |
21gpm / 79.5lpm |
| Total flow |
25gpm / 94.6lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
1000/540/1000 |
| Engine RPM |
540@2200 / 1000@2200 |
ALLIS CHALMERS 7000 TIRES
The Allis Chalmers 7000 tractor features a versatile tire size range, allowing it to adapt to various agricultural tasks and terrains, enhancing traction and stability. The front tires (7.5-15) combined with a diverse array of rear tire sizes (ranging from 12.4-42 to 23.1-26) can be optimized for specific crop conditions or soil types, improving overall performance in the field. However, the wide tire options may require careful selection to balance load capacity and maneuverability, particularly in tighter spaces or on uneven ground.
| Ag front |
7.5-15 |
| Ag rear |
12.4-42 / 15.5-38 / 16.9-34/16.9-38/18.4-34 / 23.1-30 / 20.8-34 / 18.4-38 / 23.1-26 |
DIMENSIONS
| Wheelbase |
106inches / 269cm |
| Length |
183inches / 464cm |
| Clearance (front axle) |
24inches / 60cm |
| Clearance (rear axle) |
29inches / 73cm |
| Rear axle |
116inch length / 2946mm |
| Front tread |
62 to 86inches / 157to 218cm |
| Rear tread |
64 to 112inches / 162to 284cm (long axle) |
ALLIS CHALMERS 7000 WEIGHT
| Shipping |
9350lbs / 4241kg |
| Operating |
9550lbs / 4331kg |
| Ballasted |
12580lbs / 5706kg |
ALLIS CHALMERS 7000 HEIGHT
| Steering wheel |
88inches / 223cm |
| Hood |
69inches / 175cm |
| Exhaust |
113inches / 287cm |
DIMENSIONS & TIRES
The Allis Chalmers 7000 features a 106-inch wheelbase, providing stability and maneuverability for various agricultural tasks. Weighing between 9,350 to 9,550 pounds, it offers a robust presence that enhances traction on difficult terrains. The tire specifications, 10.00-16 for the front and 18.4x38 for the rear, suggest suitability for heavier loads and improved flotation in soft soil conditions, although tire selection should factor in the operational environment to avoid soil compaction.
| Wheelbase |
106inches / 269cm |
| Weight |
9350 to 9550 pounds |
| Front tire |
10.00-16 |
| Rear tire |
18.4x38 |
7000 SERIAL NUMBERS
| Location |
Serial number stamped on the right rear of the Allis 7000 differential housing, near the right lift cylinder |
| 1975 |
1001 |
| 1976 |
1648 |
| 1977 |
5036 |
| 1978 |
6373 |
| 1979 |
8963 |
| Final |
9503 |
ELECTRICAL
| Ground |
negative |
| Batteries |
1/2 (optional) |
| Battery volts |
12 |
| Battery AH |
95 |
