Compare/Allis Chalmers FD5 vs Allis Chalmers K-O

Allis Chalmers FD5 vs Allis Chalmers K-O

Verdict: Allis Chalmers FD5 vs Allis Chalmers K-O

The Allis Chalmers FD5 and the Allis Chalmers K-O are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 50 hp. Allis Chalmers FD5 is the lighter machine (2,454 kg vs 5,216 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers FD5 is the newer design (1963 vs 1934). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

50 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

Four speeds (1-4) in two ranges.Reference

The three-speed transmission was used on early models, built during 1934.Reference

Drive

—

crawlerReference

Engine

37.3 kWReference

—

Displacement

4.0 LReference

9.2 LReference

Bore/Stroke

115 x 130 mmReference

133 x 165 mmReference

Power

37.3 kWReference

—

Rated RPM

1800Reference

1050Reference

Starter volts

12Reference

—

Oil capacity

25.0 LReference

—

Drawbar (tested)

—

37.6 kWReference

Belt (tested)

—

44.0 kWReference

Fuel system

—

mechanical injectionReference

Air cleaner

—

oil bathReference

Compression

—

6.5:1Reference

Belt power (max)

—

44.0 kWReference

Max power

—

37.6 kWReference

Transmission

Gears

8 forward and 4 reverseReference

4 forward and 1 reverseReference

Type

—

gearReference

Capacities

Fuel

70.0 LReference

—

Diameter

27 cmReference

—

Width

175 cmReference

38 cmReference

RPM

1280Reference

—

PTO & Hydraulics

Hydraulic system

18.0 LReference

—

Capacity

18.0 LReference

—

Rear Type

IIReference

—

Rear PTO Type

540 (1.375)Reference

—

Engine RPM

540@1080Reference

—

Dimensions

Wheelbase

228 cmReference

—

Weight

2454 kgReference

5216 kgReference

Front tire

5.50x20Reference

—

Rear tire

12x38Reference

—

Ag front

5.50x20Reference

—

Ag rear

12x38Reference

—

Length

329 cmReference

303 cmReference

Height

160 cmReference

—

Ground clearance

49 cmReference

—

KO Width

—

167 cmReference

Height (hood)

—

162 cmReference

KO Gauge

—

121 cmReference

WKO Gauge

—

160 cmReference

Electrical

Ground

negativeReference

—

Batteries

2Reference

—

Battery volts

6Reference

—

Variants

—

gasolineReference

—

wide gasReference

K-O

—

dieselReference

WK-O

—

wide dieselReference

Allis Chalmers K-O Tracks

Test results

Belt fuel use (max)

—

17.4 l/hourReference

Max pull

—

5300 kgReference

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.