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Tractor · 1949Unverified

Chamberlain 40KA

Name: Chamberlain 40KA
Brand: Chamberlain

Chamberlain 40KA — Standard-tread tractor · 49 hp. Reference specifications; pending source verification.

The Chamberlain 40KA is a tractor model with a rated power of 49 hp, positioned at the lower end of its class in terms of power output. This model was manufactured between 1949 and 1954. It features a 2-cylinder liquid-cooled engine, paired with two-wheel drive and a 9-speed gearbox. The tractor's operating weight is listed as 3855 kg, making it suitable for operations covering up to 200 acres.

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

Rated power

49 hp

Weight

3855 kg

Catalogue coverage

Variants represented

Richest spec table

49 rows

Recorded power

49 hp

Recorded weight

3855 kg

Transmissions

9-speed

Production years

1949-1954

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerChamberlainReference

Standard-tread tractorReference

Built in Welshpool, AustraliaReference

Total built1,484Reference

Two-wheel driveReference

Final drivesbull gearReference

Steeringmechanical - recirculating ballReference

Open operator station.Reference

Variants

40Kwide gear ratioReference

40KAclose gear ratioReference

Engine

Chamberlain 6.0L 2-cyl keroseneReference

Fuel tank104.5 LReference

Aux. fuel15.9 LReference

Engine36.2 kWReference

Belt (claimed)29.8 kWReference

ChamberlainReference

keroseneReference

2-cylinderReference

liquid-cooled horizontally-opposedReference

Displacement6.0 LReference

Bore/Stroke156 x 159 mmReference

Power36.2 kWReference

Cooling systemthermosiphonReference

Rated RPM1200Reference

Starter volts12Reference

Transmission

9-speedReference

Transmissionsliding gearReference

Gears9 forward and 3 reverseReference

PTO & Hydraulics

Rear PTO Type540Reference

Dimensions

Wheelbase210 cmReference

Weight3855 kgReference

Front tire7.50x18Reference

Rear tire15.00x30Reference

Ag front7.50x18Reference

Ag rear15.00x30Reference

Length342 cmReference

Width172 cmReference

Height228 cmReference

40KA Serial Numbers

10/1950404Reference

1/1951471Reference

12/19511226Reference

12/19521490Reference

12/19531834Reference

Final1887Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter33 cmReference

Width17 cmReference

RPM810Reference

Speed835.15 meters/minReference

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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