Compare/Allis Chalmers 170 vs Allis Chalmers HD6

Allis Chalmers 170 vs Allis Chalmers HD6

Verdict: Allis Chalmers 170 vs Allis Chalmers HD6

The Allis Chalmers 170 and the Allis Chalmers HD6 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers HD6 leads on rated power with 57 hp against 54 hp. Allis Chalmers 170 is the lighter machine (5,720 kg vs 12,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 170 is the newer design (1967 vs 1955). In short: choose the Allis Chalmers HD6 for outright pulling power, or the Allis Chalmers 170 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

54 hp

57 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

With 16.9x28 rear tires.Reference

Gear 1 used for pull test.Reference

Total built

9,303Reference

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Original price

$6,887 (1973)Reference

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Steering

hydraulic power assistReference

—

Drive

—

crawlerReference

Engine

Drawbar (tested)

35.3 kWReference

37.2 kWReference

Displacement

3.7 LReference

5.6 LReference

Bore/Stroke

102 x 114 mmReference

113 x 141 mmReference

Compression

8:1Reference

15.0:1Reference

Rated RPM

1800Reference

Firing order

1-2-4-3Reference

—

Coolant capacity

14.2 LReference

Intake valve clearance

0.254 mmReference

—

Exhaust valve clearance

0.356 mmReference

—

Oil capacity

22.7 LReference

18.9 LReference

Sparkplug gap

0.635 mmReference

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Point gap

0.559 mmReference

—

Power at rated engine speed

40.4 kWReference

—

Max power

35.0 kWReference

37.2 kWReference

Fuel tank

—

151.4 LReference

Engine (net)

—

42.5 kWReference

Drawbar (claimed)

—

33.6 kWReference

Belt (claimed)

—

41.0 kWReference

Belt (tested)

—

45.1 kWReference

Power (net)

—

42.5 kWReference

Starter volts

—

24Reference

Belt power (max)

—

45.1 kWReference

Transmission

Power DirectorReference

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Gears

8 forward and 2 reverseReference

2 forward and reverseReference

Clutch

dry discReference

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PTO & Hydraulics

PTO (tested)

40.4 kWReference

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Hydraulic system

24.6 LReference

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Type

two-speed power shiftReference

power shiftReference

Capacity

24.6 LReference

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Pressure

137.9 barReference

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Valves

1Reference

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Pump flow

69.3 lpmReference

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Steering flow

22.7 lpmReference

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Rear Type

IIReference

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Rear PTO

liveReference

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Rear PTO Type

540Reference

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Power at rated PTO speed

38.4 kWReference

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Capacities

Fuel

70.0 LReference

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Dimensions

Wheelbase

242 cmReference

—

Weight

5720 to 5950 poundsReference

12400 to 13400 poundsReference

Front tire

6.00x16Reference

—

Rear tire

16.9-28Reference

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Ag front

9.00x10Reference

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Ag rear

16.9-28Reference

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Length

381 cmReference

322 cmReference

Width

198 cmReference

199 cmReference

Ground clearance

79 cmReference

—

Operating

2698 kgReference

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Ballasted

4154 kgReference

—

Height

—

167 cmReference

Shipping weight

—

5624 kgReference

Operating weight

—

6078 kgReference

Gauge

—

152 cmReference

Allis Chalmers 170 attachments

170 Serial Numbers

1967

1005Reference

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1968

2721Reference

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1969

5374Reference

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1970

6369Reference

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1971

6988Reference

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1972

7797Reference

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1973

8821Reference

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Location:

Front of torque housing flangeReference

Serial number stamped on the rear of steering clutch housing or on the instrument panel. (upper-right)Reference

Final

10300Reference

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Electrical

Ground

negativeReference

—

Battery volts

12Reference

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Battery AH

95 (diesel)Reference

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Allis Chalmers 170 Height

Test results

Fuel use

16.7 l/hourReference

—

Max pull

3107 kgReference

5731 kgReference

Belt fuel use (max)

—

20.1 l/hourReference

Speeds

Variants

HD6A

—

44-inch gaugeReference

HD6B

—

60-inch gaugeReference

HD6E

—

5-rollerReference

HD6G

—

loaderReference

HD6EP

—

power shiftReference

HD6AG

—

turbochargedReference

HD6 Serial Numbers

1955

—

101Reference

1956

—

1147Reference

1957

—

6466Reference

1958

—

7948Reference

1959

—

10054Reference

1960

—

12506Reference

1961

—

13777Reference

1962

—

14898Reference

1963

—

16042Reference

1964

—

17105Reference

1965

—

18189Reference

Allis Chalmers HD6 Tracks

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.