Tractor Reference

International Harvester 674 Tractor Specs (1973-1977)

International Harvester 674 tractor specs for 1973-1977: 20 gal 75.7 L fuel tank, 8F/4R gear transmission, independent 540 rear PTO.

International Harvester 674 Overview

The International Harvester 674 was manufactured by International Harvester from 1973 to 1977 at Doncaster, England. It has a 20 gal 75.7 L fuel tank, an 84.5-inch 214 cm wheelbase, and an operating weight of 5,650 lbs 2562 kg.

Its dimensions include a 131-inch 332 cm length, 70-inch 177 cm width, and 23-inch 58 cm rear-axle clearance. The tractor uses open-center hydraulics with 13 gpm 49.2 lpm pump flow.

Years1973-1977
Transmissiongear
Rear PTO540 (1.375)

Additional Specs

Manufacturer

International Harvester

Factory

Doncaster, England

Quick Answers

  • Production years1973-1977, at Doncaster, England.
  • Fuel tank capacity20 gal 75.7 L.
  • TransmissionGear transmission with 8 forward and 4 reverse gears and a dry disc clutch.
  • Rear PTOIndependent, with a 540 (1.375) rear PTO type.

Transmission

This gear transmission has 8 forward and 4 reverse gears and uses a dry disc clutch.

8-speed gear

Typegear
Gears8 forward and 4 reverse
Clutchdry disc

PTO and Hitch

The rear PTO is independent and has a 540 (1.375) type.

Rear PTO

independent

Rear PTO type

540 (1.375)

Hydraulics

The open-center hydraulic system is listed with 13 gpm 49.2 lpm pump flow.

Type

open center

Pump flow

13 gpm 49.2 lpm

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.