Compare/Farmall 404 vs Farmall AM-7

Farmall 404 vs Farmall AM-7

Verdict: Farmall 404 vs Farmall AM-7

The Farmall 404 and the Farmall AM-7 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 37 hp. Farmall AM-7 is the lighter machine (3,084 kg vs 3,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 404 is the newer design (1961 vs 1957). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

37 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Farmall (a part of International Harvester)Reference

Add high range to basic four-speed transmission.Reference

dieselReference

Total built

2440Reference

—

Steering

power (optional)Reference

—

Variants

2404

industrialReference

—

Farmall 404

row-crop chassisReference

—

IH 404

utility chassisReference

—

AW-7

—

standard-treadReference

Engine

Drawbar (claimed)

21.6 kWReference

—

Plows

2-3Reference

—

Drawbar (tested)

24.6 kWReference

—

Displacement

2.2 LReference

4.3 LReference

Bore/Stroke

83 x 103 mmReference

102 x 133 mmReference

Air cleaner

oil bathReference

—

Compression

8:1Reference

16.5:1Reference

Rated RPM

2000Reference

1450Reference

Idle RPM

900-2000Reference

—

Starter volts

12Reference

Oil capacity

18.9 LReference

—

Coolant capacity

14.2 LReference

—

Power at rated engine speed

27.4 kWReference

—

Max power

24.6 kWReference

—

Kerosene Drawbar (claimed)

—

27.4 kWReference

Diesel Drawbar (claimed)

—

33.3 kWReference

Kerosene Belt (claimed)

—

30.6 kWReference

Diesel Belt (claimed)

—

36.4 kWReference

Transmission

Gears

4 forward and reverseReference

5 forward and 1 reverseReference

Clutch

9-inch dry discReference

—

Transmission

Dual-RangeReference

—

PTO & Hydraulics

PTO (claimed)

24.6 kWReference

—

PTO (tested)

27.4 kWReference

—

Hydraulic system

18.9 LReference

—

Type

manual shuttleReference

gearReference

Capacity

18.9 LReference

—

Valves

1 or 2Reference

—

Total flow

35.2 lpmReference

—

Rear Type

IReference

IIReference

Rear PTO

transmissionReference

—

Rear PTO Type

540Reference

Pressure

—

55.2 barReference

Pump flow

—

26.5 lpmReference

Capacities

Fuel

71.9 LReference

—

Diameter

27 cmReference

RPM

948Reference

899Reference

Speed

832.10 meters/minReference

—

Width

—

256 cmReference

Dimensions

Wheelbase

223 cmReference

224 cmReference

Weight

3400 to 4115 poundsReference

3084 kgReference

Front tire

5.00-15Reference

6.00x16Reference

Rear tire

11.2-36Reference

12x38Reference

Ag front

5.00-15Reference

6.00x16Reference

Ag rear

12.4-36Reference

12x38Reference

Length

238 cmReference

337 cmReference

Height (steering wheel)

162 cmReference

—

Front tread

127 to 208 cmReference

—

Rear tread

121 to 223 cmReference

132 to 254 cmReference

Shipping

1542 kgReference

—

Operating

1866 kgReference

—

Ballasted

3014 kgReference

—

Ground clearance

—

67 cmReference

Farmall 404 attachments

404 Serial Number Location

404 Serial Numbers

1961

501Reference

—

1962

826Reference

—

1963

1936Reference

—

1964

2259Reference

—

1965

2568Reference

—

1966

2790Reference

—

1967

2980Reference

—

1968

3170Reference

—

Attachment overview

Test results

Fuel use

11.4 l/hourReference

—

Max pull

2267 kgReference

—

Speeds

AM-7 Serial Numbers

1957

—

1067 (diesel)Reference

1958

—

1675 (diesel)Reference

1959

—

2901 (diesel)Reference

Final

—

4939 (diesel)Reference

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.