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Tractor · 1974Unverified

Allis Chalmers 6040

Name: Allis Chalmers 6040
Brand: Allis Chalmers

Allis Chalmers 6040 — Utility tractor · 40 hp. Reference specifications; pending source verification.

The Allis Chalmers 6040 is a compact tractor rated at 40 hp, falling into the lower power range of its class. Manufactured between 1974 and 1975, it features a 3-cylinder diesel liquid-cooled engine, transmitting power through a two-wheel drive system with a 10-speed gearbox. The listed weight of the tractor is 4250 to 4680 pounds. Its capabilities are suitable for tasks on around 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

40 hp

Max power

27.4 kW

Weight

4250 to 4680 pounds

Catalogue coverage

Variants represented

Richest spec table

88 rows

Recorded power

40 hp

Transmissions

10-speed partial synchronized

Production years

1974-1975

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

DistributorAllis ChalmersReference

ManufacturerRenaultReference

Utility tractorReference

Built in FranceReference

Total built499Reference

Original price$6,934Reference

The Allis-Chalmers 160 was built by Renault. It was based on the model 421, but used a Perkins diesel in place of the MWM.Reference

Two-wheel driveReference

Differential lockmechanical rearReference

Power steeringReference

Differential mechanical dry disc brakesReference

Open operator station. Two-post fixed ROPS available.Reference

Engine

Perkins 2.5L 3-cyl dieselReference

Drawbar (claimed)27.4 kWReference

Drawbar (tested)27.4 kWReference

Perkins 3.152Reference

dieselReference

3-cylinderReference

liquid-cooled inlineReference

Displacement2.5 LReference

Bore/Stroke91 x 127 mmReference

Air cleanerpaper elementReference

Compression18.5:1Reference

Rated RPM2250Reference

Idle RPM725-2475Reference

StarterelectricReference

Starter volts12Reference

Coolant capacity7.6 LReference

Oil capacity6.2 LReference

Oil change75 hReference

Power at rated engine speed30.1 kWReference

Max power27.4 kWReference

Transmission

10-speed partial synchronizedReference

Typepartial synchronizedReference

Gears10 forward and 2 reverseReference

Clutch254mm dry discReference

Oil capacity27.4 LReference

Six gears, plus reverse, in two ranges. Gears 9 and 10 are synchronized and only available in high range.Reference

PTO & Hydraulics

PTO (claimed)30.1 kWReference

PTO (tested)30.1 kWReference

Hydraulic system27.4 LReference

Typeopen centerReference

Capacity27.4 LReference

Pressure158.6 barReference

Pump flow25.4 lpmReference

Total flow50.0 lpmReference

Steering flow28.4 lpmReference

Steering press.75.8 barReference

Rear TypeIIReference

Controllower-link draft sensingReference

Rear PTOliveReference

Clutchdry discReference

Rear PTO Type540 (1.375)Reference

Engine RPM540@2160Reference

Power at rated PTO speed29.7 kWReference

Capacities

Fuel45.4 LReference

Dimensions

Wheelbase200 cmReference

Weight4250 to 4680 poundsReference

Front tire6.00-16Reference

Rear tire14.9-28Reference

Ag front6.00-16Reference

Ag rear14.9-28Reference

Length325 cmReference

Width165 cmReference

Clearance (front axle)40 cmReference

Clearance (rear axle)53 cmReference

Front tread121 to 190 cmReference

Rear tread127 to 198 cmReference

Shipping1927 kgReference

Operating2122 kgReference

Ballasted2753 kgReference

Steering wheel157 cmReference

6040 Serial Numbers

Location:Serial number plate on the right-front of the fuel tank, under the hood.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Battery volts12Reference

Allis Chalmers 6040 Height

Hood136 cmReference

Exhaust213 cmReference

Test results

Diesel 10-speed 2WDOctober 27 - November 4, 1969Link: Nebraska Tractor Test 1028 fileReference

PTO performanceReference

Fuel use10.2 l/hourReference

Fuel use9.8 l/hourReference

Drawbar performanceReference

Fuel use10.6 l/hourReference

Gear 3-high used for power test.Reference

Max pull2072 kgReference

Gear 1-High used for pull test.Reference

Speeds

With 13.6-28 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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