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

McCormick-Deering OS-4 vs McCormick-Deering TD-35

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

The McCormick-Deering OS-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 25 hp. McCormick-Deering OS-4 is the lighter machine (1,868 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 OS-4 is the newer design (1944 vs 1937). In short: choose the McCormick-Deering TD-35 for outright pulling power, or the McCormick-Deering OS-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

25 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

Drive

—

crawlerReference

Variants

W-4

standardReference

—

O-4

orchardReference

—

OS-4

orchard, without full sheet metalReference

—

T-35

—

gasolineReference

TD-35

—

dieselReference

Engine

Fuel tank

66.2 LReference

151.4 LReference

Aux. fuel

2.8 LReference

4.7 LReference

Drawbar (claimed)

18.6 kWReference

20.1 kWReference

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

Air cleaner

oil bathReference

—

Compression

4.5:1 (kerosene)Reference

—

Rated RPM

1650Reference

1100Reference

Firing order

1-3-4-2Reference

—

Oil capacity

22.7 LReference

—

Coolant capacity

16.1 LReference

49.2 LReference

Drawbar (tested)

—

27.7 kWReference

Belt (tested)

—

31.5 kWReference

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

—

Weight

1868 kgReference

4785 kgReference

Front tire

5.50-16Reference

—

Rear tire

12-26Reference

—

Ag front

5.50-16Reference

—

Ag rear

12-26Reference

—

Length

307 cmReference

336 cmReference

Height

145 cmReference

—

Shipping weight

1868 kgReference

—

Clearance (front axle)

38 cmReference

—

Front tread

116 cmReference

—

Rear tread

106 cmReference

—

Operating weight

—

5100 kgReference

Capacities

Diameter

24 cmReference

42 cmReference

Width

140 cmReference

151 cmReference

RPM

1019Reference

591Reference

Speed

792.78 meters/minReference

—

TD-35 Serial Numbers

Location:

—

Seat, right sideReference

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.