Compare/Allis Chalmers 5045 vs Allis Chalmers 6140

Allis Chalmers 5045 vs Allis Chalmers 6140

Verdict: Allis Chalmers 5045 vs Allis Chalmers 6140

The Allis Chalmers 5045 and the Allis Chalmers 6140 are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 5045 leads on rated power with 44 hp against 40 hp. Allis Chalmers 5045 is the lighter machine (1,746 kg vs 4,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 6140 is the newer design (1982 vs 1981). In short: choose the Allis Chalmers 5045 for outright pulling power, or the Allis Chalmers 6140 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

44 hp

40 hp

Confidence

40%

Guide price

—

Overview

Distributor

Allis ChalmersReference

—

Manufacturer

FiatReference

Allis ChalmersReference

Four gears, plus reverse, in two ranges. Top two gears (3/4 and 7/8) are synchronized.Reference

liquid-cooledReference

Original price

$12,558Reference

$15,891Reference

Final drives

—

inboard planetaryReference

Differential lock

—

mechanical rearReference

Engine

Displacement

2.6 LReference

2.3 LReference

Starter volts

12Reference

Coolant capacity

13.5 LReference

8.0 LReference

Fuel tank

—

50.0 LReference

Bore/Stroke

—

98 x 103 mmReference

Air cleaner

—

dryReference

Pre-heating

—

glow plugsReference

Compression

—

23:1Reference

Rated RPM

—

2500Reference

Transmission

Type

partially synchronizedReference

synchromeshReference

Gears

8 forward and 2 reverseReference

10 forward and 2 reverseReference

Clutch

mechanical dry discReference

279.4mm dry discReference

PTO & Hydraulics

PTO (claimed)

32.8 kWReference

29.8 kWReference

Hydraulic system

23.6 LReference

—

Capacity

23.6 LReference

—

Valves

14Reference

—

Pump flow

3.8 lpmReference

37.9 lpmReference

Rear Type

II/IReference

IReference

Control

position control and top-link draft sensingReference

top-link draft sensingReference

Rear lift

0 kgReference

1446 kgReference

Rear PTO

independentReference

Rear PTO Type

540Reference

540 (1.375)Reference

Dimensions

Wheelbase

191 cmReference

193 cmReference

Weight

1746 kgReference

4000 to 4400 poundsReference

Front tire

6.00-16Reference

Rear tire

13.6-28Reference

Ag front

6.00-16Reference

8.00-18Reference

Ag rear

13.6-28Reference

14.9-28Reference

Length

—

334 cmReference

Width

—

173 cmReference

2WD Shipping weight

—

1814 kgReference

4WD Shipping weight

—

1995 kgReference

Front tread

—

126 to 198 cmReference

Rear tread

—

137 to 213 cmReference

Steering wheel

—

159 cmReference

5045 Serial Numbers

1981

988501Reference

—

Location:

Serial number plate below the steering wheel.Reference

Serial number on the left side of the fuel tank.Reference

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Battery volts

12Reference

Allis Chalmers 6140 attachments

6140 Serial Numbers

1982

—

1001Reference

1983

—

1726Reference

1984

—

1851Reference

1985

—

2711Reference

Allis Chalmers 6140 Height

Hood

—

128 cmReference

Exhaust

—

223 cmReference

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.