Allis Chalmers 170

Last Updated: July 2024

Overview

The Allis Chalmers 170 is a historically significant 2WD farm tractor produced by Allis Chalmers between 1968 and 1973. It features a 3.7L (226 ci) four-cylinder gasoline engine with a bore of 4 inches and a stroke of 4.11 inches. With a hydraulic power assist steering system and differential mechanical contracting band and disc brakes, it facilitates precise control and efficient operation. This tractor model features an open operator station, a two-speed power shift transmission with 8 forward and 2 reverse gears, and a rear Cat II three-point hitch. The wheelbase stands at 95 inches, and tires vary with several sizes available for the front. The 170 model is built for reliability and versatility, serving as a testament to the long-standing heritage of Allis Chalmers in the agricultural industry.
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Key Specifications

Category: Agricultural

Transmission: Two-speed power shift

Drive Type: 2WD

Operating Weight: 5720

Fuel Type: Gasoline

Image Gallery

Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor Allis Chalmers 170 Tractor

Allis Chalmers 170 vs. Similar Tractors

Operating Weight
Average
Greater than 36% of similar tractors.

Technical Specifications

Engine

Manufacturer
Allis-Chalmers
Model
Unknown
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Gasoline
Induction Type
Naturally aspirated
Cylinders
4
Displacement (ci)
226
Bore (in)
4
Stroke (in)
4.11
Rated RPM
1800
Power Output (hp)
-

Transmission

Type
Two-speed power shift
Forward Gears
8
Reverse Gears
2
Total Gears
-

Dimensions

Length (in)
150
Width (in)
78
Height (in)
58.7
Operating Weight (lb)
5720

Power Take-Off (PTO)

PTO Type
Live
PTO Speed 1 (rpm)
540
PTO Speed 2 (rpm)
Unknown
PTO Speed 3 (rpm)
Unknown

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Hydraulic power assist
Coolant Capacity (qts)
15
Front Tire Diameter (in)
-
Front Tire Width (in)
6 / 6.5 / 7.5 / 9 (depending on option)
Rear Tire Diameter (in)
28
Rear Tire Width (in)
16.9
Front/Rear Rim Diameter (in)
-
Tire Type
Agricultural
Manufacture - End Year
1973
Hitch Type
Three-Point Hitch
Hitch Category
Category II
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Open operator station
Starter Type
Electric
Brake Type
Differential mechanical contracting band and disc
Hydraulic System Type
Open

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 16 to October 27, 1967

Maximum Power and Fuel Consumption

  • Maximum Power: 54.12 HP at 1800 rpm
  • Fuel Consumption at Rated Engine Speed: 4.348 Gal/hr with a fuel efficiency of 0.497 lb/hp.hr and 12.45 Hp.hr/gal

Drawbar Performance

  • Maximum Available Power (5th Gear): 46.93 HP with a drawbar pull of 3973 lbs and a speed of 4.43 mph
  • Fuel Consumption at Maximum Power: 4.373 Gal/hr with a fuel efficiency of 0.576 lb/hp.hr

Varying Power and Fuel Consumption

  • At 47.60 HP: Fuel consumption was 4.083 Gal/hr with a fuel efficiency of 0.531 lb/hp.hr
  • At 24.94 HP: Fuel consumption was 2.943 Gal/hr with a fuel efficiency of 0.730 lb/hp.hr
  • At 12.74 HP: Fuel consumption was 2.381 Gal/hr with a fuel efficiency of 1.156 lb/hp.hr

Maximum Power with Ballast (Various Gears)

  • 1st Gear: 34.52 HP with a drawbar pull of 6851 lbs and a speed of 1.89 mph
  • 2nd Gear: 45.50 HP with a drawbar pull of 6464 lbs and a speed of 2.64 mph
  • 5th Gear: 48.11 HP with a drawbar pull of 4074 lbs and a speed of 4.43 mph

Maximum Pull without Ballast

  • 3rd Gear: 35.36 HP with a drawbar pull of 4378 lbs and a speed of 3.03 mph

    Nebraska Tractor Test Lab. (1967). Test 966: Allis-Chalmers 170 (Gasoline). Lincoln, NE: University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1328

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