Compare/McCormick-Deering O-4 vs McCormick-Deering TD-35

McCormick-Deering O-4 vs McCormick-Deering TD-35

Verdict: McCormick-Deering O-4 vs McCormick-Deering TD-35

The McCormick-Deering O-4 and the McCormick-Deering TD-35 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering TD-35 leads on rated power with 27 hp against 24 hp. McCormick-Deering O-4 is the lighter machine (1,959 kg vs 10,550 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering TD-35 holds more fuel (151.4 L vs 66.2 L) for longer stints between fills. McCormick-Deering O-4 is the newer design (1940 vs 1937). In short: choose the McCormick-Deering TD-35 for outright pulling power, or the McCormick-Deering O-4 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

McCormick-Deering

Fit score

Best match

Clear

McCormick-Deering

Fit score

Best match

Clear

Rated power

24 hp

27 hp

Confidence

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

2,721Reference

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Drive

—

crawlerReference

Variants

W-4

standardReference

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O-4

orchardReference

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OS-4

orchard, without full sheet metalReference

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T-35

—

gasolineReference

TD-35

—

dieselReference

Engine

Fuel tank

66.2 LReference

151.4 LReference

Aux. fuel

2.8 LReference

4.7 LReference

Belt (claimed)

20.5 kWReference

27.6 kWReference

Displacement

2.5 LReference

6.8 LReference

Bore/Stroke

86 x 113 mmReference

114 x 165 mmReference

Compression

4.5:1 (kerosene)Reference

—

Rated RPM

1650Reference

1100Reference

Firing order

1-3-4-2Reference

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Oil capacity

5.7 LReference

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Drawbar (claimed)

—

20.1 kWReference

Drawbar (tested)

—

27.7 kWReference

Belt (tested)

—

31.5 kWReference

Coolant capacity

—

49.2 LReference

Belt power (max)

—

31.5 kWReference

Max power

—

27.7 kWReference

Transmission

Type

gearReference

Gears

5 forward and 1 reverseReference

Clutch

—

dry dsicReference

PTO & Hydraulics

Rear PTO Type

540Reference

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Dimensions

Wheelbase

169 cmReference

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Weight

1959 kgReference

4785 kgReference

Front tire

5.50-16Reference

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Rear tire

12-26Reference

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Ag front

5.50-16Reference

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Ag rear

12-26Reference

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Length

307 cmReference

336 cmReference

Height

153 cmReference

—

Shipping weight

1959 kgReference

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Operating weight

—

5100 kgReference

O-4 Serial Numbers

1940

OBH501Reference

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1941

OBH943Reference

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1942

OBH4056Reference

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1943

OBH5693Reference

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1944

OBH7593Reference

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1945

OBH11171Reference

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1946

OBH13934Reference

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1947

OBH16022Reference

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1948

OBH18880Reference

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1949

OBH21912Reference

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1950

OBH24470Reference

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1951

OBH28167Reference

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1952

OBH31214Reference

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1953

OBH33067Reference

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Location:

Left side of tractor, on clutch housing.Reference

Seat, right sideReference

Capacities

Diameter

24 cmReference

42 cmReference

Width

153 cmReference

151 cmReference

RPM

1019Reference

591Reference

Speed

792.78 meters/minReference

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TD-35 Serial Numbers

McCormick-Deering TD-35 Tracks

Test results

Max pull

—

3739 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.