WhichTractor
  • Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1981–1991
  • 1,346 built

It was ranked on an engine power figure whose source does not say gross or net. 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 743XL specs: hp, weight, years

IH D-239 four-cylinder diesel. The manufacturer claimed 66 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

66 hp

49 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 743XL”, 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
7,187–7,562 lb
Hyd. flow
8.6 gpm
Top speed
18.6 mph

International Harvester 743XL specs: key facts

  • The International Harvester 743XL was built from 1981 to 1991.

  • The International Harvester 743XL has a claimed engine power (gross or net not stated) of 49 kW (66 hp); it has no measured PTO figure.

  • The International Harvester 743XL was offered in two-wheel-drive and four-wheel-drive versions.

  • The International Harvester 743XL has a IH D-239 engine, a 4-cylinder 3.91 L diesel unit.Source 1

  • The International Harvester 743XL weighs 3,260–3,430 kg (7,187–7,562 lb) unladen.

  • The International Harvester 743XL has a rear PTO running at 540 rpm / 1000 rpm.

  • The hydraulic pump of the International Harvester 743XL delivers 32.6 L/min (8.6 gpm).

Source · Traktorenlexikon, “IHC 743XL”

Illustration of the 1981–1991 International Harvester 743XL, a 66 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 743XL have?

The only figure for the 743XL is 66 hp (49 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)
66 hp

Source · Traktorenlexikon, “IHC 743XL”

What engine is in a 743XL?

A 743XL has an IH D-239, a 4-cylinder 3.91 L diesel engine.

Engine — 743XL engine specifications
Make & modelIH D-239
Cylinders4, liquid-cooledSource 2
Displacement238.7 ci · 3.91 L
Max torque173 lb·ft · 235 N·m @ 1,600 rpmSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “IHC 743”

How much will a 743XL lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the 743XL are below.

Hydraulics & PTO — 743XL hydraulics and PTO specifications
Pump flow8.6 gpm · 32.6 L/min
Rear PTO540 rpm / 1000 rpm @ 1,920 engine rpm

Source · Traktorenlexikon, “IHC 743XL”

What transmission does a 743XL have?

Transmission specifications for the 743XL are below.

Transmission — 743XL transmission specifications
Clutchdry double clutch
Brakespedal operated double disc brake
Steeringhydrostatic ZF steering type Servostat 8452
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “IHC 743XL”

How much does a 743XL weigh?

A 743XL weighs 7,187–7,562 lb (3,260–3,430 kg) unladen.

Weights & dimensions — 743XL weights and dimensions
Unladen weight7,187–7,562 lb · 3,260–3,430 kgXLA: 3640–3820
Maximum permissible mass12,125 lb · 5,500 kg
Wheelbase87.6 in · 2,226 mmXLA: 2190
Length146.9 in · 3,730 mmXLA: 3780
Width80.7 in · 2,050 mm
Height103.1 in · 2,620 mm
Ground clearance18.0 in · 457 mmXLA: 381
Front track53.1–71.8 in · 1,350–1,824 mmXLA: 1578–1673
Rear track63.0–74.9 in · 1,600–1,902 mm
Turning radius, braked12.1 ft · 3.70 mXLA: 4300

Source · Traktorenlexikon, “IHC 743XL”

What oil does a 743XL take, and how much?

Fluid capacities for the 743XL are below.

743XL fluid capacities, grades and service intervals
SystemCapacity
Transmission44.4 qt · 42 LSource: Traktorenlexikon, “IHC 743XL” · single source, not independently verified
Hydraulic19.0 qt · 18 LSource: Traktorenlexikon, “IHC 743XL” · single source, not independently verified
Front axle5.5 qt · 5.25 LSource: Traktorenlexikon, “IHC 743XL” · single source, not independently verified
Cooling system20.6 qt · 19.5 LSource: Traktorenlexikon, “IHC 743XL” · single source, not independently verified

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

Which tractors compare with a 743XL?

Within 10% of its 66 hp of claimed engine power, the same type, and first built within 15 years of it.

Common questions about the International Harvester 743XL

Is a 743XL two-wheel drive or four-wheel drive?

The International Harvester 743XL was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 743XL have?

A 743XL has a 540 rpm / 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC 743”; and Traktorenlexikon, “IHC 743XL”.

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: IHC 743 — CC BY-SA 4.0, WIKIBOOKS-TL-53516 · revision 887174. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 743XL — CC BY-SA 4.0, WIKIBOOKS-TL-81663 · revision 798569. Wikibooks contributors (Traktorenlexikon). Original document