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Massey-Harris 21 Colt vs Massey-Harris Challenger
Verdict: Massey-Harris 21 Colt vs Massey-Harris Challenger
The Massey-Harris 21 Colt and the Massey-Harris Challenger are both tractors — here is how they stack up on the figures that matter. Massey-Harris 21 Colt leads on rated power with 22 hp against 20 hp. Massey-Harris 21 Colt is the newer design (1952 vs 1936). In short: choose the Massey-Harris 21 Colt for outright pulling power, or the Massey-Harris Challenger if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Massey-Harris
62
Fit score
Best match
Clear
Massey-Harris
62
Fit score
Best match
Clear
Rated power
22 hp
20 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Massey-HarrisReference
Massey-HarrisReference
liquid-cooledReference
Drawbar performanceReference
Final drives
bevel gearReference
—
Steering
manualReference
manualReference
Total built
—
14,000Reference
Engine
Drawbar (claimed)
16.1 kWReference
14.9 kWReference
Belt (claimed)
21.1 kWReference
23.9 kWReference
Plows
2 (14-inch)Reference
—
Displacement
2.0 LReference
4.1 LReference
Bore/Stroke
76 x 111 mmReference
98 x 133 mmReference
Rated RPM
1800Reference
1400Reference
Fuel tank
—
68.1 LReference
Aux. fuel
—
6.1 LReference
Drawbar (tested)
—
22.2 kWReference
Belt (tested)
—
26.0 kWReference
Coolant capacity
—
18.9 LReference
Belt power (max)
—
26.0 kWReference
Max power
—
22.2 kWReference
Transmission
Type
gearReference
gearReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
—
PTO & Hydraulics
Rear Type
I (optional)Reference
—
Rear PTO
transmissionReference
—
Rear PTO Type
540Reference
—
Dimensions
Wheelbase
210 cmReference
198 cmReference
Front tire
4x15Reference
24x4.50Reference
Rear tire
10x28Reference
52x8.00Reference
Ag front
6x12 (single)Reference
5.50x16Reference
Ag rear
10x28Reference
11.25x36Reference
Length
313 cmReference
328 cmReference
Height
167 cmReference
147 cmReference
Ground clearance
49 cmReference
—
Front tread
132 to 187 cmReference
—
Rear tread
132 to 203 cmReference
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Weight
—
1769 kgReference
21 Colt Serial Numbers
1952
1001Reference
—
1953
1417Reference
—
1954
2669Reference
—
Capacities
Diameter
24 cmReference
—
Width
15 cmReference
—
RPM
1224Reference
—
Speed
927.81 meters/minReference
—
Challenger Serial Number Location
Test results
Belt fuel use (max)
—
14.0 l/hourReference
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.


