• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1985–1990

WhichTractor size, not the maker’s category

CASE-INTERNATIONAL 685 (DT) Engine specs

11 engine values on record for the 685 (DT).

Engine power, claimed · gross or net not stated

68.0 hp

50.7 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case-IH 685”, 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.

What engine is in a 685 (DT)?

A 685 (DT) has a IHC D-239, a 4-cylinder 3.91 L diesel engine.

Engine — IHC D-239 specifications
Make & modelIHC D-239Source 1
FuelDieselSource 1
Cylinders4Source 1
Displacement238.5 ci · 3.91 LSource 1
CoolingLiquid-cooled
Maximum torque176 lb·ft · 238 N·m
Maximum torque speed1,600 rpm
Air cleanerCOOPERS dry air filter with pre-separator
Cylinders4
Displacement4.1 qt · 3.9 L
Bore3.9 in · 98.4 mm
Stroke5.1 in · 128.5 mm
Rated engine speed2,400 rpm

Source · Traktorenlexikon, “Case-IH 685”

Sources and how this page was built

11 engine values from Traktorenlexikon, “Case-IH 4210”; and Traktorenlexikon, “Case-IH 685”.

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: Case-IH 4210 — CC BY-SA 4.0, WIKIBOOKS-TL-27259 · revision 975658. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: Case-IH 685 — CC BY-SA 4.0, WIKIBOOKS-TL-115469 · revision 974627. Wikibooks contributors (Traktorenlexikon). Original document