Search
Chamberlain 40K vs Chamberlain 55KA
Verdict: Chamberlain 40K vs Chamberlain 55KA
The Chamberlain 40K and the Chamberlain 55KA are both tractors — here is how they stack up on the figures that matter. Chamberlain 40K is the lighter machine (3,855 kg vs 4,150 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Chamberlain 55KA is the newer design (1954 vs 1950). 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
Fit & specs
Chamberlain
62
Fit score
Clear
Chamberlain
79
Fit score
Best match
Clear
Rated power
49 hp
null hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
ChamberlainReference
ChamberlainReference
liquid-cooled horizontally-opposedReference
liquid-cooledReference
Final drives
bull gearReference
—
Steering
mechanical - recirculating ballReference
mechanical - recirculating ballReference
Total built
—
265Reference
Engine
Fuel tank
104.5 LReference
104.5 LReference
Aux. fuel
15.9 LReference
15.9 LReference
Engine
36.2 kWReference
—
Belt (claimed)
29.8 kWReference
—
Displacement
6.0 LReference
7.0 LReference
Bore/Stroke
156 x 159 mmReference
168 x 159 mmReference
Power
36.2 kWReference
—
Cooling system
thermosiphonReference
thermosiphonReference
Rated RPM
1200Reference
1200Reference
Starter volts
12Reference
12Reference
Compression
—
4:1Reference
Transmission
Transmission
sliding gearReference
gearReference
Gears
9 forward and 3 reverseReference
9 forward and 3 reverseReference
PTO & Hydraulics
Rear PTO Type
540Reference
540 (1.375)Reference
Dimensions
Wheelbase
210 cmReference
210 cmReference
Weight
3855 kgReference
4150 kgReference
Front tire
7.50x18Reference
7.50x18Reference
Rear tire
15.00x30Reference
15.00x30Reference
Ag front
7.50x18Reference
7.50x18Reference
Ag rear
15.00x30Reference
15.00x30Reference
Length
342 cmReference
342 cmReference
Height
228 cmReference
228 cmReference
40K Serial Numbers
1950
1Reference
—
Final
403Reference
365Reference
Capacities
Diameter
33 cmReference
—
Width
172 cmReference
172 cmReference
RPM
810Reference
—
Speed
835.15 meters/minReference
—
Variants
55KA
—
kerosene engineReference
55DA
—
diesel engineReference
55KA Serial Numbers
6/1954
—
101Reference
12/1954
—
215Reference
12/1955
—
325Reference
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.