- Rigid chassis
- WhichTractor size: Utility
- Not independently tested
- 1962–1966
- 17,627 built
It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category
International Harvester D-439 Transmission specifications
10 transmission values on record for the D-439.
Engine power, claimed · gross or net not stated
38.5 hp
28.7 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “McCormick D-439”, claimed
How fast will a D-439 go?
The fastest speed on record for a D-439 is 12.4 mph (20 km/h). The gearbox itself is not on record yet.
| Drive | 2WD |
|---|---|
| Forward gears | 8 |
| Reverse gears | 2 |
| Transmission as described | 8 forward/2 reverse |
| Clutch | Pedal operated dry single plate clutch from Fichtel & Sachs |
| Top speed forward | 12.4 mph · 20 km/h |
| Top speed reverse | 5.1 mph · 8.16 km/hhighest reverse speed printed in the article's speed tables |
| Service brakes | Pedal operated International Harvester disc brake acting on differential side shafts |
| Steering | Mechanically operated ZF-Gemmer steering |
| Differential lock | Mechanically operated differential lock |
Source · Traktorenlexikon, “McCormick D-439”
Where this page comes from
10 transmission values from Traktorenlexikon, “McCormick D-439”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: McCormick D-439 — CC BY-SA 4.0, WIKIBOOKS-TL-118066 · revision 1056725. Wikibooks contributors (Traktorenlexikon). Original document