Engine Horsepower: 116 hp
Manufactured: 1976 to 1981
International Harvester Hydro 186 Summary
The International Harvester Hydro 186 was produced from 1976 to 1981. It delivers 79.83 drawbar horsepower and 105.02 PTO horsepower from its 7.1L 6-cyl diesel engine. The tractor is part of the 86 Series and was built in Rock Island, Illinois. One notable variant is the Hydro 186 Hi-Clear, which offers high clearance.

International Harvester Hydro 186 Horsepower, Weight, and Specifications:
Production
Who manufactured the tractor and when?
- Manufacturer: International Harvester
- Production years: 1976 to 1981
- Series: 86 Series
- Type: Row-Crop tractor
- Manufactured in Rock Island, Illinois, USA
- Original price: $33,900 (1981)
Variants
Are there any different models of this tractor?
- Hydro 186 Hi-Clear: high clearance model
Engine
What kind of engine does the tractor have?
- Engine: International Harvester 7.1L 6-cylinder diesel
Horsepower
What is the horsepower of the tractor?
- Drawbar (tested): 79.83 hp (59.5 kW)
- PTO (tested): 105.02 hp (78.3 kW)
Mechanical
What are the mechanical features of the tractor?
- Drive type: Two- or four-wheel drive
- Steering: Power assist
- Brakes: Hydraulic disc brakes
- Cab: Standard with air-conditioning; Open operator station and four-post ROPS available
Capacity
What are the capacities of the tractor's fuel and hydraulic systems?
- Fuel capacity: 50 gal (189.3 L), 22 gal (auxiliary) (83.3 L)
- Hydraulic system capacity: 28.5 gal (107.9 L)
Hydraulics
What are the hydraulic specifications?
- Type: Open center; Closed center (optional after late 1980)
- Capacity: 28.5 gal (107.9 L)
- Valves: 2
- Pump flow: 12 gpm (45.4 lpm)
Tractor Hitch
Does the tractor have a hitch and what is its lift capacity?
- Rear type: 2
- Rear lift (at 24"/610mm): 6660 lbs (3020 kg)
Power Take-off (PTO)
What are the PTO specifications of the tractor?
- Rear PTO: Independent
- Rear PTO type: 540/1000
- Engine RPM: 540@2100, 1000@2100
Dimensions & Tires
What are the dimensions and tire specifications?
- Wheelbase: 105 inches (266 cm), 101 inches (tricycle front) (256 cm), 99 inches (4WD) (251 cm), 106 inches (Hi-Clear) (269 cm)
- Weight: 11500 to 13135 pounds
- Front tire: 10.00-16
- Rear tire: 18.4-34
Electrical
What are the electrical features of the tractor?
- Ground: Negative
- Charging system: Alternator
- Charging amps: 42; 61 (with cab)
- Batteries: 2
- Battery CCA: 470
- Battery volts: 12
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.