International Harvester 624 Overview
The International Harvester 624 tractor was built from 1965 to 1972. Its direct-injection engine displaces 206.4 ci (3.4 L), uses 16:1 compression, and is rated at 2,100 rpm.
The 624 has an 18.5-gallon (70.0 L) fuel tank, an 83.5-inch (212 cm) wheelbase, and a 131.6-inch (334 cm) length. Listed 2WD and 4WD weights are 5,732 lb (2,600 kg) and 6,592 lb (2,990 kg), respectively; a mechanical rear differential lock is also listed.
Quick Answers
- Fuel tankThe fuel tank holds 18.5 gal (70.0 L).
- Rear PTOIt has an independent rear PTO with 540/1000 speeds.
- Transmission choicesListed choices are an 8F/4R partially synchronized transmission and a 12F/4R Agriomatic S partial power shift.
- Differential lockA mechanical rear differential lock is listed.
Engine and Power
The direct-injection engine displaces 206.4 ci (3.4 L), has 16:1 compression, and is rated at 2,100 rpm.
Diesel engine
| Displacement | 206.4 ci 3.4 L |
|---|---|
| Fuel System | direct injection |
| Compression | 16:1 |
| Rated Rpm | 2100 |
Manufacturer
Manufacture years
Transmission
The 624 is listed with a partially synchronized 8-forward/4-reverse transmission or an Agriomatic S partial power shift with 12 forward and 4 reverse gears.
partially synchronized
| Name | partially synchronized |
|---|---|
| Gears | 8 forward and 4 reverse |
Agriomatic S
| Name | Agriomatic S |
|---|---|
| Type | partial power shift |
| Gears | 12 forward and 4 reverse |
PTO and Hitch
The rear PTO is independent and has 540/1000 speeds.
Rear PTO
Rear PTO type
Hydraulics
Hydraulic pump flow is listed at 7.5 gpm (28.4 lpm).
Pump flow
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.