WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1965–1972
  • 24,690 built

It sits on the utility/standard-size boundary, so either size is a fair description. WhichTractor size, not the maker’s category

Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is

International Harvester 624 (A) specs: hp, weight, years

INTERNATIONAL-HARVESTER D-206 four-cylinder diesel. The manufacturer claimed 57.3 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

57.3 hp

42.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick 624 (A)”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

Weight
5,575 lb
3-point lift
3,748 lb
Hyd. flow
7.5 gpm
Top speed
12.4–15.5 mph

International Harvester 624 (A) specs: key facts

  • The International Harvester 624 (A) was built from 1965 to 1972.

  • The International Harvester 624 (A) has a claimed engine power (gross or net not stated) of 42.7 kW (57.3 hp); it has no measured PTO figure.

  • The International Harvester 624 (A) was offered in two-wheel-drive and four-wheel-drive versions.

  • The International Harvester 624 (A) has a INTERNATIONAL-HARVESTER D-206 engine, a 4-cylinder 3.38 L diesel unit.

  • The International Harvester 624 (A) weighs 2,529 kg (5,575 lb) unladen.

  • The International Harvester 624 (A) has an independent rear PTO running at 540 rpm.

  • The three-point hitch of the International Harvester 624 (A) lifts 1,700 kg (3,748 lb) at the lower-link ends.

  • The hydraulic pump of the International Harvester 624 (A) delivers 28.3 L/min (7.5 gpm).

Source · Traktorenlexikon, “McCormick 624 (A)”

Illustration of the 1965–1972 International Harvester 624 (A), a 57 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does a 624 (A) have?

The only figure for the 624 (A) is 57.3 hp (42.7 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
57.3 hp

Source · Traktorenlexikon, “McCormick 624 (A)”

What engine is in a 624 (A)?

A 624 (A) has an INTERNATIONAL-HARVESTER D-206, a 4-cylinder 3.38 L diesel engine.

Engine — 624 (A) engine specifications
Make & modelINTERNATIONAL-HARVESTER D-206
Cylinders4, liquid-cooled
Displacement206.4 ci · 3.38 L
Max torque151 lb·ft · 205 N·m @ 1,600 rpm
InjectionDirect injection
Electrical system12 V

Source · Traktorenlexikon, “McCormick 624 (A)”

How much will a 624 (A) lift, and what is its hydraulic flow?

A 624 (A) lifts 3,748 lb (1,700 kg) at the lower-link ends.

Hydraulics & PTO — 624 (A) hydraulics and PTO specifications
Pump flow7.5 gpm · 28.3 L/min
Pressure3,553 psi · 245 bar
Lift at ends3,748 lb · 1,700 kg
Rear PTOIndependent, engine-driven, 540 rpmEngages under loadGround-speed PTO available

Source · Traktorenlexikon, “McCormick 624 (A)”

What transmission does a 624 (A) have?

Transmission specifications for the 624 (A) are below.

Transmission — 624 (A) transmission specifications
ClutchPedal-operated dry Fichtel & Sachs single-disc clutch
BrakesPedal-operated International Harvester disc brake positioned on differential half-shafts
SteeringHydrostatic ZF-Ross steering
Top speed12.4–15.5 mph · 20–25 km/hthe article lists alternatives

Source · Traktorenlexikon, “McCormick 624 (A)”

How much does a 624 (A) weigh?

A 624 (A) weighs 5,575 lb (2,529 kg) unladen.

Weights & dimensions — 624 (A) weights and dimensions
Unladen weight5,575 lb · 2,529 kgtwo-wheel-drive version
Wheelbase83.5 in · 2,120 mm
Length139.0 in · 3,530 mmtwo-wheel-drive version
Width71.5 in · 1,815 mmtwo-wheel-drive version
Height95.2 in · 2,419 mmtwo-wheel-drive version
Ground clearance16.5 in · 419 mmtwo-wheel-drive version
Front track53.5–77.2 in · 1,360–1,960 mm
Rear track52.0–75.6 in · 1,320–1,920 mm
Turning radius, braked12.0 ft · 3.65 m

Source · Traktorenlexikon, “McCormick 624 (A)”

What oil does a 624 (A) take, and how much?

A 624 (A) engine takes 9.0 qt (8.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

624 (A) fluid capacities, grades and service intervals
SystemCapacity
Engine oil9.0 qt · 8.5 LSource: Traktorenlexikon, “McCormick 624 (A)” · single source, not independently verified
Transmission45.4 qt · 43.0 LSource: Traktorenlexikon, “McCormick 624 (A)” · single source, not independently verified
Hydraulic17.8 qt · 16.8 LSource: Traktorenlexikon, “McCormick 624 (A)” · single source, not independently verified
Cooling system18.5 qt · 17.5 LSource: Traktorenlexikon, “McCormick 624 (A)” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a 624 (A)?

Within 10% of its 55.2 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.

Common questions about the International Harvester 624 (A)

Is a 624 (A) two-wheel drive or four-wheel drive?

The International Harvester 624 (A) was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 624 (A) have?

A 624 (A) has a independent 540 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “McCormick 624 (A)”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: McCormick 624 (A) — CC BY-SA 4.0, WIKIBOOKS-TL-118083 · revision 1059860. Wikibooks contributors (Traktorenlexikon). Original document