- WhichTractor size: High-power
- Not independently tested
- 1978–1981
- 642 built
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 6588 Full specifications
INTERNATIONAL HARVESTER DT-466 B six-cylinder diesel. The manufacturer claimed 149.9 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
149.9 hp
111.8 kW as stated by the source
Not independently tested
Claimed · standard not stated by the source
Source · Traktorenlexikon, “IHC 6588”, claimed
- Weight
- 17,619 lb
- 3-point lift
- 8,598 lb
- Hyd. flow
- 18.0 gpm
- Top speed
- 18.6 mph
International Harvester 6588 specs: key facts
The International Harvester 6588 was built from 1978 to 1981.
The International Harvester 6588 has a claimed engine power (gross or net not stated) of 111.8 kW (149.9 hp); it has no measured PTO figure.
The International Harvester 6588 is four-wheel drive (4WD).
The International Harvester 6588 has a INTERNATIONAL HARVESTER DT-466 B engine, a 6-cylinder 7.64 L diesel unit.Source 1
The International Harvester 6588 weighs 7,992 kg (17,619 lb) unladen.
The International Harvester 6588 has a rear PTO running at 540/1000 rpm.
The three-point hitch of the International Harvester 6588 lifts 3,900 kg (8,598 lb) at the lower-link ends.
The hydraulic pump of the International Harvester 6588 delivers 68.1 L/min (18.0 gpm).
Source · Traktorenlexikon, “IHC 6588”

How much horsepower does a 6588 have?
The only figure for the 6588 is 149.9 hp (111.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “IHC 6588”
What engine is in a 6588?
A 6588 has an INTERNATIONAL HARVESTER DT-466 B, a 6-cylinder 7.64 L diesel engine.
| Make & model | INTERNATIONAL HARVESTER DT-466 B |
|---|---|
| Cylinders | 6, liquid-cooledSource 2 |
| Displacement | 466.2 ci · 7.64 L |
| Max torque | 450 lb·ft · 610 N·m @ 1,800 rpmSource 2 |
| Electrical system | 12 VSource 2 |
Source · Traktorenlexikon, “IHC 3588”
How much will a 6588 lift, and what is its hydraulic flow?
A 6588 lifts 8,598 lb (3,900 kg) at the lower-link ends.
| Pump flow | 18.0 gpm · 68.1 L/min |
|---|---|
| Lift at ends | 8,598 lb · 3,900 kg |
| Rear PTO | 540/1000 rpm @ 2,106 engine rpm |
Source · Traktorenlexikon, “IHC 6588”
What transmission does a 6588 have?
Transmission specifications for the 6588 are below.
| Steering | Hydraulic steering and adjustable steering wheel |
|---|---|
| Top speed | 18.6 mph · 30 km/h |
Source · Traktorenlexikon, “IHC 6588”
How much does a 6588 weigh?
A 6588 weighs 17,619 lb (7,992 kg) unladen.
| Unladen weight | 17,619 lb · 7,992 kg |
|---|---|
| Wheelbase | 110.0 in · 2,794 mm |
| Length | 228.3 in · 5,799 mm |
| Width | 101.6 in · 2,581 mm |
| Height | 115.8 in · 2,941 mm |
| Ground clearance | 28.4 in · 721 mm |
| Front track | 59.8–104.0 in · 1,519–2,642 mmWikibooks gives one track for both axles |
| Rear track | 59.8–104.0 in · 1,519–2,642 mmWikibooks gives one track for both axles |
Source · Traktorenlexikon, “IHC 6588”
Which tractors compare with a 6588?
Within 10% of its 152.1 hp at the PTO (claimed), the same type, and first built within 15 years of it.
- Case-IH Magnum 7120151.7 hp PTO, claimed · 1988–1993Side by side with the 6588 →
- International Harvester 4166152.7 hp PTO, claimed · 1972–1976Side by side with the 6588 →
- Fiat 180-90 (DT)154.9 hp PTO, claimed · 1984–1994Side by side with the 6588 →
- John Deere 4640 (A)155.0 hp PTO, claimed · 1978–1982Side by side with the 6588 →
- International Harvester 1586156.1 hp PTO, claimed · 1976–1981Side by side with the 6588 →
- International Harvester 1568147.8 hp PTO, claimed · 1974–1976Side by side with the 6588 →
Everything else people ask
Is a 6588 two-wheel drive or four-wheel drive?
The International Harvester 6588 is four-wheel drive (4WD).
What PTO does a 6588 have?
A 6588 has a 540/1000 rpm rear PTO.
Where this page comes from
Compiled from Traktorenlexikon, “IHC 3588”; and Traktorenlexikon, “IHC 6588”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: IHC 3588 — CC BY-SA 4.0, WIKIBOOKS-TL-119176 · revision 1037669. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: IHC 6588 — CC BY-SA 4.0, WIKIBOOKS-TL-119179 · revision 1055431. Wikibooks contributors (Traktorenlexikon). Original document