Compare/Allis Chalmers 5050 vs Allis Chalmers K-O

Allis Chalmers 5050 vs Allis Chalmers K-O

Verdict: Allis Chalmers 5050 vs Allis Chalmers K-O

The Allis Chalmers 5050 and the Allis Chalmers K-O are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 5050 leads on rated power with 51 hp against 50 hp. Allis Chalmers 5050 is the lighter machine (4,150 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 5050 is the newer design (1977 vs 1934). In short: choose the Allis Chalmers 5050 for outright pulling power, or the Allis Chalmers K-O if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

51 hp

50 hp

Confidence

40%

Guide price

—

Overview

Distributor

Allis ChalmersReference

—

Manufacturer

FiatReference

Allis ChalmersReference

With 14,9 rear tires.Reference

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

Original price

$20,720Reference

—

Steering

power assistReference

—

Drive

—

crawlerReference

Variants

580

similar Fiat modelReference

—

gasolineReference

—

wide gasReference

K-O

—

dieselReference

WK-O

—

wide dieselReference

Engine

Drawbar (tested)

32.3 kWReference

37.6 kWReference

Displacement

2.8 LReference

9.2 LReference

Bore/Stroke

103 x 110 mmReference

133 x 165 mmReference

Fuel use

12.9 l/hourReference

—

Air cleaner

paper elementReference

oil bathReference

Compression

17.1:1Reference

6.5:1Reference

Rated RPM

2700Reference

1050Reference

Starter volts

12Reference

—

Oil capacity

18.0 LReference

—

Coolant capacity

13.5 LReference

—

Intake valve clearance

0.356 mmReference

—

Exhaust valve clearance

0.356 mmReference

—

Power at rated engine speed

38.4 kWReference

—

Max power

32.3 kWReference

37.6 kWReference

Belt (tested)

—

44.0 kWReference

Fuel system

—

mechanical injectionReference

Belt power (max)

—

44.0 kWReference

Transmission

Gears

12 forward and 3 reverseReference

4 forward and 1 reverseReference

PTO & Hydraulics

PTO (claimed)

37.3 kWReference

—

PTO (tested)

38.4 kWReference

—

Hydraulic system

18.0 LReference

—

Type

partially synchronizedReference

gearReference

Capacity

18.0 LReference

—

Valves

1Reference

—

Pump flow

24.5 lpmReference

—

Rear Type

II/IReference

—

Rear lift

1451 kgReference

—

Rear PTO

independentReference

—

Rear PTO Type

540Reference

—

Power at rated PTO speed

35.2 kWReference

—

Capacities

Fuel

53.9 LReference

—

Dimensions

2WD Wheelbase

192 cmReference

—

4WD Wheelbase

194 cmReference

—

Weight

4150 to 4740 poundsReference

5216 kgReference

Front tire

7.50-16Reference

—

2WD Rear tire

14.9-28Reference

—

2WD Standard tires (ag)

Front: 7.50-16. Rear: 14.9-28Reference

—

4WD Standard tires (ag)

Front: 8.3-24. Rear: 14.9-30Reference

—

2WD Length

303 cmReference

—

4WD Length

316 cmReference

—

Width

170 cmReference

38 cmReference

2WD Ground clearance

50 cmReference

—

4WD Ground clearance

31 cmReference

—

2WD Front tread

135 to 196 cmReference

—

4WD Front tread

139 to 149 cmReference

—

Rear tread

142 to 200 cmReference

—

2WD Shipping

1882 kgReference

—

4WD Shipping

2150 kgReference

—

Operating

2000 kgReference

—

Ballasted

3488 kgReference

—

2WD Steering wheel

150 cmReference

—

4WD Steering wheel

153 cmReference

—

Length

—

303 cmReference

KO Width

—

167 cmReference

Height (hood)

—

162 cmReference

KO Gauge

—

121 cmReference

WKO Gauge

—

160 cmReference

Allis Chalmers 5050 attachments

5050 Serial Numbers

1977

573461Reference

—

1978

579632Reference

—

1979

584000Reference

—

1980

591000Reference

—

1981

596014Reference

—

1982

597730Reference

—

1983

599191Reference

—

Location:

Serial number plate below the steering wheelReference

—

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Charging amps

37Reference

—

Battery volts

12Reference

—

Attachment overview

Allis Chalmers 5050 Height

2WD Hood

143 cmReference

—

4WD Hood

145 cmReference

—

2WD Exhaust

231 cmReference

—

4WD Exhaust

233 cmReference

—

Test results

Max pull

2755 kgReference

5300 kgReference

Belt fuel use (max)

—

17.4 l/hourReference

Speeds

Allis Chalmers K-O 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.