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Massey-Harris 21 Colt vs Massey-Harris 81
Verdict: Massey-Harris 21 Colt vs Massey-Harris 81
The Massey-Harris 21 Colt and the Massey-Harris 81 are both tractors — here is how they stack up on the figures that matter. Massey-Harris 81 leads on rated power with 26 hp against 22 hp. Massey-Harris 21 Colt is the newer design (1952 vs 1941). In short: choose the Massey-Harris 81 for outright pulling power, or the Massey-Harris 21 Colt 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
26 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Massey-HarrisReference
Massey-HarrisReference
liquid-cooledReference
Gear 1 used for pull test.Reference
Final drives
bevel gearReference
—
Steering
manualReference
manualReference
Original price
—
$1,121 (1946)Reference
Engine
Drawbar (claimed)
16.1 kWReference
11.9 kWReference
Belt (claimed)
21.1 kWReference
—
Plows
2 (14-inch)Reference
—
Displacement
2.0 LReference
2.0 LReference
Bore/Stroke
76 x 111 mmReference
76 x 111 mmReference
Rated RPM
1800Reference
1500Reference
Fuel tank
—
45.4 LReference
Drawbar (tested)
—
15.5 kWReference
Belt (tested)
—
20.2 kWReference
Fuel system
—
Marvel-Schebler TSX-28 carburetorReference
Starter volts
—
6Reference
Coolant capacity
—
10.4 LReference
Belt power (max)
—
20.2 kWReference
Max power
—
15.5 kWReference
Transmission
Type
gearReference
unsynchronized gearReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
dry discReference
PTO & Hydraulics
Rear Type
I (optional)Reference
—
Rear PTO
transmissionReference
—
Rear PTO Type
540Reference
—
PTO (claimed)
—
19.4 kWReference
Dimensions
Wheelbase
210 cmReference
—
Front tire
4x15Reference
4.00x15Reference
Rear tire
10x28Reference
9.00x32Reference
Ag front
6x12 (single)Reference
4.00x15Reference
Ag rear
10x28Reference
9.00x32Reference
Length
313 cmReference
302 cmReference
Height
167 cmReference
147 cmReference
Ground clearance
49 cmReference
—
Front tread
132 to 187 cmReference
—
Rear tread
132 to 203 cmReference
—
Weight
—
1313 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
—
Variants
82
—
distillateReference
81R
—
row-crop gasolineReference
81S
—
standard gasolineReference
81 Serial Number Location
81 Serial Numbers
1941
—
400001Reference
1942
—
403168Reference
1943
—
------Reference
1944
—
403354Reference
1945
—
403364Reference
1946
—
404664Reference
Final
—
406601Reference
Test results
Belt fuel use (max)
—
9.5 l/hourReference
Max pull
—
1314 kgReference
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.