12 material differences

Tractor oneInternational Harvester 6861976–1980No measured PTO figureTractor twoSteyr 870 (a)1971–1975No measured PTO figure

Which should you choose?

Read our verdict on the 686 and the 870 (a) → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

12 material differences · 2 fields identical or within 5%, which is not counted as material

International Harvester 686 and Steyr 870 (a), field by field
Field	686	870 (a)	Gap
Engine
Engine power, claimed claimed	66.1 hp	69.1 hp	—
Engine declared	INTERNATIONAL HARVESTER C-291	Steyr WD-410.40	differs
Displacement declared	—	3.98 L	—
Maximum torque declared	220 lb·ft · 298 N·m	190 lb·ft · 257 N·m	+16% 686
Transmission
Top speed declared	18.6 mph · 30 km/h	15.5–18.6 mph · 25–30 km/h	differs
Clutch declared	pedal-operated dry single-plate clutch	Pedal-operated dry Fichtel & Sachs double clutch	differs
Hydraulics & hitch
Pump flow declared	12.0 gpm · 45.5 L/min	9.8 gpm · 37.0 L/min	+23% 686
Rear PTO speeds declared	540 rpm	540/1000 rpm	differs
Weight & dimensions
Unladen weight declared	8,199 lb · 3,719 kg	6,460 lb · 2,930 kg	+27% 686
Wheelbase declared	103.0 in · 2,616 mm	89.8 in · 2,280 mm	+15% 686
Length declared	162.0 in · 4,115 mm	152.4 in · 3,870 mm	+6% 686
Width declared	89.4 in · 2,271 mm	76.0 in · 1,930 mm	+18% 686
Height, over the exhaust declared	105.0 in · 2,667 mm	83.9 in · 2,130 mm	+25% 686
Ground clearance declared	21.0 in · 533 mm	—	—
Turning radius, braked declared	12.0 ft · 3.66 m	12.2 ft · 3.71 m	—
Fuel tank declared	123.9 qt · 117.3 L	114.1 qt · 108.0 L	+9% 686

Source

Source