A version of the International Harvester 523 · 1965–1972
International Harvester 523 (A)
How does the 523 (A) differ?
The 523 (A) is 4WD, weighs 5,379 lb · 2,440 kg; the 3 other versions on record are set out beside it. Shared figures are on the model page.
| Differs in | 523 (A) | 523 (2WD) | 523 (A) (4WD) | 523 (4WD) |
|---|---|---|---|---|
| Drive | 4WD | 2WDSource 1 | 4WD | 4WDSource 1 |
| Weight | 5,379 lb · 2,440 kg | — | 6,294 lb · 2,855 kg | — |
What else is on record for the 523 (A)?
| Forward gears | 8 |
|---|---|
| Reverse gears | 4 |
| Transmission as described | 8 forward/4 reverse or 12 forward/4 reverse |
| Units built | 17,571 |
| Cooling | Liquid-cooled |
| Clutch | Pedal-operated dry single-disc clutch |
| Wheelbase | 78.7 in · 2,000 mm |
| Fuel tank | 74.0 qt · 70.0 L |
| Front tyre, standard | 7.50-16 ASF (A: 9-24 AS) |
| System voltage | 12 V |
| Top speed forward | 12.4–15.5 mph · 20–25 km/h |
| Pump flow | 7.5 gpm · 28.3 L/min |
| Length | 122.4 in · 3,110 mm |
| Rear tyre, standard | 11-32 AS (A: 14-30 AS) |
| Construction | block construction (frameless) |
| Maximum torque | 133 lb·ft · 180 N·m |
| Hydraulic pressure | 3,553 psi · 245 bar |
| Width | 71.5 in · 1,815 mm |
| Maximum torque speed | 1,600 rpm |
| Air cleaner | Mann & Hummel oil bath air cleaner with cyclone pre-separator |
| Service brakes | Pedal-operated disc brake positioned on the differential half-shafts |
| Rear PTO drive | Engine-driven |
| Rear remote valves | 1 |
| Height to top | 95.2 in · 2,419 mm |
| Ground-speed PTO | Yes |
| Rear PTO independence | Independent |
| PTO engages under load | Yes |
| Cylinders | 3 |
| Steering | Hydrostatic ZF-ROSS steering |
| Ground clearance | 15.0 in · 380 mm |
| Displacement | 3.1 qt · 2.9 L |
| Bore | 3.9 in · 98.4 mm |
| Stroke | 5.1 in · 128.5 mm |
| Rated engine speed | 2,100 rpm |
| Differential lock | Pedal-operated bevel gear differential lock |
| Lift capacity at ball ends | 3,748 lb · 1,700 kg |
| Front track | 52.0–74.0 in · 1,320–1,880 mm |
| Rear track | 52.0–76.8 in · 1,320–1,950 mm |
| Front axle | Oscillating, sprung front axle |
| Hitch control | Lifting, lowering, floating position, draft and position control |
| Turning radius with brakes | 11.3 ft · 3.45 m |
| Turning radius without brakes | 13.0 ft · 3.95 m |
| Rear PTO speeds | 540 rpm |
| Engine power, gross or net not stated, claimed, standard not stated by the source | 47.3 hp · 35.3 kW |
| Engine | INTERNATIONAL-HARVESTER D-179 |
Source · Traktorenlexikon, “McCormick 523”
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: IHC 523 — CC BY-SA 4.0, WIKIBOOKS-TL-44148 · revision 999836. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: McCormick 523 — CC BY-SA 4.0, WIKIBOOKS-TL-118107 · revision 1059859. Wikibooks contributors (Traktorenlexikon). Original document