Allis Chalmers 7050

The Allis Chalmers 7050 is a tractor produced by Allis Chalmers. It is equipped with a 426 ci 7.0 L engine. The listed engine power is 156.49 hp 116.7 kW. Transmission: Allis-Chalmers Power Director XX. Operating weight: 14,525 lbs 6588 kg.

Engine Power

156.49 hp 116.7 kW

Fuel & Capacities

9.8 gal/hour 37.1 l/hour

Transmission

Allis-Chalmers Power Director XX

Operating Weight

14,525 lbs (duals) 6588 kg

Overview

	1973 - 1974 7000 SeriesRow-Crop tractor 7000 Series Row-Crop tractor

Production
Manufacturer	Allis Chalmers
Row-Crop tractor
Built in West Allis, Wisconsin, USA
Total built	2,302
Original price	$19,550

Allis Chalmers 7050 Engine
Allis Chalmers 7.0L 6-cyl diesel
Engine details ...

Allis Chalmers 7050 Transmission
20-speed partial power shift
Transmission details ...

Allis Chalmers 7050 Power
Drawbar (tested)	131.54 hp 98.1 kW
PTO (tested)	156.49 hp 116.7 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	hydrostatic power
Differential hydraulic wet discs brakes
Cab optional

Hydraulics
Type	open center

Tractor hitch
Rear Type	II,III

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000

Dimensions & Tires
Weight	14,525 lbs 6588 kg
Front tire	11.00-16
Rear tire	20.8-38
Full dimensions and tires ...

References

Loaders - picking up where the others leave off published in 1979, by Allis Chalmers
The Orange Age Begins published in 1973, by Allis Chalmers

Engine

Engine Detail — 426 ci / 7.0 L Diesel

Manufacturer	Allis Chalmers
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled
Displacement	426 ci 7.0 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Air cleaner	dry
Compression	16:1
Rated RPM	2300

Transmission

Transmission — Allis-Chalmers Power Director XX

Transmission	Allis-Chalmers Power Director XX
Type	partial power shift
Gears	20 forward and 4 reverse
The Power Director provides five gears (1-5) in two ranges (slow-fast) with a two-speed power shift (low-high).
With 18.4x38 rear tires.

Dimensions

Allis Chalmers 7050 Tires
Ag front	11.00-16
Ag rear	20.8-38

Dimensions
Length	163 inches 414 cm
Width	95.5 inches 242 cm
Height	116 inches 294 cm
Operating weight	14,525 lbs (duals) 6588 kg
Ballasted weight	19,530 lbs 8858 kg

Tests

Nebraska Tractor Test 1120
Diesel 20-speed 2WD March 14 - 30, 1973 Link: Nebraska Tractor Test 1120 file
PTO performance
Power at rated engine speed	156.49 hp 116.7 kW
Fuel use	9.8 gal/hour 37.1 l/hour
Power at rated PTO speed	156.63 hp 116.8 kW
Fuel use	9.8 gal/hour 37.1 l/hour
Drawbar performance
Max power	131.54 hp 98.1 kW
Fuel use	9.8 gal/hour 37.1 l/hour
Gear 4SL used for power test.
Max pull	16,206 lbs 7351 kg
Gear 2SL used for pull test.

Photos

Allis Chalmers 7050

Recommended Implements & Sizing Guide

Engineering recommendations for Allis Chalmers 7050 based on its 156.49 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼	Commercial / Field Scale	Large commercial field and roadside mowing operations.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m)	Commercial / Field Scale	High-capacity commercial forage harvesting (1000 RPM PTO).

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers 7050.

Estimated Continuous Field Runtime: 1.2 hrs

Approximately 1.2 hours of continuous field operation at ~75% rated power on a full tank (9.8 gal / 37.1 L).

Estimated 75% Load Fuel Burn~8.1 gal/hr (30.8 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours