Compare/Farmall 450 vs Farmall Super MD

Farmall 450 vs Farmall Super MD

Verdict: Farmall 450 vs Farmall Super MD

The Farmall 450 and the Farmall Super MD are both tractors — here is how they stack up on the figures that matter. Farmall 450 leads on rated power with 51 hp against 48 hp. Farmall 450 is the lighter machine (2,957 kg vs 5,725 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 450 holds more fuel (79.5 L vs 77.6 L) for longer stints between fills. Farmall 450 is the newer design (1956 vs 1952). In short: choose the Farmall 450 for outright pulling power, or the Farmall Super MD 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

Farmall

Fit score

Best match

Clear

Farmall

Fit score

Best match

Clear

Rated power

51 hp

48 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Farmall (a part of International Harvester)Reference

LP gas Torque Amplifier 2WDMay 7 - 29, 1957Link: Nebraska Tractor Test 620 fileReference

The Torque Amplifier first became available in 1954 on the Super MD-TA.Reference

Total built

18,305Reference

89 (Super MDV)Reference

Steering

power assistReference

—

Variants

450

row-cropReference

—

W-450

standard-frontReference

—

450 Hi-Clear

high-cropReference

—

Super M

—

gasoline engineReference

Super MD-TA

—

Torque Amplifier transmissionReference

Engine

Fuel tank

79.5 LReference

77.6 LReference

Drawbar (claimed)

34.5 kWReference

31.3 kWReference

Belt (claimed)

37.9 kWReference

—

Drawbar (tested)

38.2 kWReference

29.5 kWReference

Belt (tested)

41.2 kWReference

34.8 kWReference

Displacement

4.6 LReference

4.3 LReference

Bore/Stroke

105 x 133 mmReference

102 x 133 mmReference

Air cleaner

oil bathReference

—

Compression

8.35:1Reference

16.5:1Reference

Rated RPM

1450Reference

Starter volts

12Reference

Oil capacity

8.5 LReference

—

Coolant capacity

26.5 LReference

Belt power (max)

40.4 kWReference

34.8 kWReference

Max power

37.2 kWReference

29.5 kWReference

Firing order

—

1-3-4-2Reference

Transmission

International Harvester Torque AmplifierReference

Gears

10 forward and 2 reverseReference

Clutch

dry discReference

PTO & Hydraulics

Type

partial power shiftReference

Valves

1 to 3Reference

—

Rear PTO

independentReference

—

Rear PTO Type

540 (1.375)Reference

540Reference

PTO (claimed)

—

35.4 kWReference

Dimensions

Wheelbase

243 cmReference

253 cmReference

Weight

2957 kgReference

5725 to 5770 poundsReference

Front tire

6.00-16Reference

6.00x16Reference

Rear tire

13.6-38Reference

13.00x38Reference

Ag front

6.00-16Reference

6.00x16Reference

Ag rear

13.6-38Reference

13.00x38Reference

Length

363 cmReference

368 cmReference

Height (steering wheel)

203 cmReference

200 cmReference

Bar rear axle

69 mmReference

Ground clearance

—

46 cmReference

Clearance (rear axle)

—

66 cmReference

Front tread

—

144 to 205 cmReference

Rear tread

—

132 to 223 cmReference

Shipping

—

2617 kgReference

Operating

—

2596 kgReference

Ballasted

—

4235 kgReference

Farmall 450 attachments

450 Serial Number Location

450 Serial Numbers

1956

501Reference

—

1957

1734Reference

—

1958

21871Reference

—

Capacities

Diameter

27 cmReference

—

Width

213 cmReference

214 cmReference

RPM

899Reference

—

Speed

788.82 meters/minReference

—

Test results

Belt fuel use (max)

22.0 l/hourReference

12.9 l/hourReference

Max pull

3326 kgReference

2618 kgReference

Super MD Serial Number Location

Super MD Serial Numbers

1952

—

501 (SMDV)Reference

1953

—

12516 (SMDV)Reference

1954

—

51995Reference

Final

—

50464 (SMDV)Reference

Electrical

Ground

—

positiveReference

Batteries

—

2Reference

Battery volts

—

6Reference

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.