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McCormick-Deering O-6 vs McCormick-Deering TA-40

Verdict: McCormick-Deering O-6 vs McCormick-Deering TA-40

The McCormick-Deering O-6 and the McCormick-Deering TA-40 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering TA-40 leads on rated power with 35 hp against 34 hp. McCormick-Deering O-6 is the lighter machine (2,408 kg vs 4,894 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering TA-40 holds more fuel (159.0 L vs 79.5 L) for longer stints between fills. McCormick-Deering O-6 is the newer design (1940 vs 1932). In short: choose the McCormick-Deering TA-40 for outright pulling power, or the McCormick-Deering O-6 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
McCormick-Deering O-6 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
McCormick-Deering TA-40 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
Rated power
34 hp
35 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
McCormick-DeeringReference
McCormick-Deering (a part of International Harvester)Reference
liquid-cooledReference
Gear 1 used for pull test.Reference
Total built
1,313Reference
Drive
crawlerReference
Variants
W-6
standardReference
O-6
orchardReference
OS-6
orchard without full sheet metalReference
ODS-6
diesel OS-6Reference
I-6
industrialReference
ID-6
diesel industrialReference
Engine
Fuel tank
79.5 LReference
159.0 LReference
Aux. fuel
3.3 LReference
Drawbar (claimed)
25.0 kWReference
26.1 kWReference
Belt (claimed)
28.7 kWReference
33.6 kWReference
Displacement
4.1 LReference
4.6 LReference
Bore/Stroke
98 x 133 mmReference
92 x 114 mmReference
Compression
4.5:1 (kerosene)Reference
Rated RPM
1450Reference
1600Reference
Drawbar (tested)
31.9 kWReference
Belt (tested)
34.7 kWReference
Coolant capacity
45.4 LReference
Belt power (max)
34.7 kWReference
Max power
31.9 kWReference
Transmission
Type
gearReference
gearReference
Gears
5 forward and 1 reverseReference
5 forward and 1 reverseReference
Clutch
dry discReference
PTO & Hydraulics
Rear PTO Type
540Reference
Dimensions
Wheelbase
193 cmReference
Weight
2408 kgReference
4894 kgReference
Front tire
6.00-16Reference
Rear tire
13-26Reference
Ag front
6.00-16Reference
Ag rear
13-26Reference
Length
338 cmReference
358 cmReference
Height
161 cmReference
165 cmReference
Clearance (front axle)
38 cmReference
Front tread
118 cmReference
Rear tread
114 cmReference
Capacities
Diameter
27 cmReference
42 cmReference
Width
165 cmReference
165 cmReference
RPM
899Reference
603.8Reference
Speed
788.82 meters/minReference
TA-40 Serial Numbers
1932
501Reference
1933
834Reference
1934
1471Reference
1935
3086Reference
1936
4649Reference
Location:
Seat, right sideReference
Final
6624Reference
Test results
Belt fuel use (max)
19.7 l/hourReference
Max pull
4263 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.

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