North Ridge International 986 - HHO tractor

Engine model

International Harvester D-436

Displacement

7.1 L 436 cubic inches · six-cylinder diesel

Cylinders

6

Fuel

Diesel

Cooling

Liquid

Rated engine speed

2,400 rpm

Bore

4.3 in 109 mm

Stroke

5 in 127 mm

Air filtration

Dual dry element

Main fuel tank

50 US gal 189.2 L · published main-tank capacity

Auxiliary fuel tank

22 US gal 83.3 L · additional tank; confirm whether fitted

Engine oil

14 US qt 13.2 L

Coolant

26 US qt 24.6 L

Transmission oil

90 US qt 85.2 L · published specification; check the operator manual for service

Transmission lubricant

IH Hy-Tran/B-6

PTO power — claimed

105 hp 78.3 kW · power at the PTO, not engine horsepower

Drawbar power — claimed

92 hp 68.6 kW

Rear PTO

Independent

PTO speeds

540 / 1,000 rpm At 2,100 engine rpm · 1.375-inch shaft

Transmission

Torque Amplifier Two-speed power shift

Gears

16F / 8R 16 forward / 8 reverse

Forward gears

16

Reverse gears

8

Drive configurations

2WD / 4WD Model options; the fitted configuration is unconfirmed

Final drive

Bull gear

Steering

Power assist

Brakes

Hydraulic disc

Operator station

Cab with air conditioning Open station and four-post ROPS versions also offered

Hydraulic system

Open center Closed-center option on late-1980 and later production

Hydraulic capacity

22.5 US gal 85.2 L

Hydraulic valves

2

Rear hitch category

II

Rear lift

5,760 lb 2,612 kg · rated 24 in / 610 mm behind hitch

Length — 2WD

167 in 424 cm

Length — 4WD

163 in 414 cm

Length — Hi-Clear

169 in 429 cm

Width

102 in 259 cm

Cab height

112 in 284 cm · Hi-Clear: 125 in / 317 cm

Wheelbase — wide front

105 in 266 cm

Wheelbase — tricycle

101 in 256 cm

Wheelbase — 4WD

99 in 251 cm

Wheelbase — Hi-Clear

106 in 269 cm

Ground clearance

13 in 33 cm · Hi-Clear: 26 in / 66 cm

Shipping weight

10,500 lb 4,762 kg · Hi-Clear: 12,350 lb / 5,601 kg

Operating weight — 2WD

13,030 lb 5,910 kg · published configuration, not this asset’s measured weight

Front tires

10.00-16 Published fitment; check the actual tires

Rear tires

18.4-38 Published fitment; check the actual tires

Ground

Negative

Charging system

Alternator

Alternator rating

42 A 61 A with cab · verify the fitted alternator and available headroom

Battery count

2

Battery rating

12 V each Does not establish combined supply voltage or wiring

Battery cold-cranking rating

470 CCA

Historical results for the test tractor. EcoTracer fuel comparisons use your recorded diesel and work measurements; these figures do not supply a consumption baseline or establish HHO savings.

Test

Nebraska 1255 September 15–29, 1977 · diesel TA 2WD

PTO power — tested

105.68 hp 78.8 kW · test tractor

Fuel use — rated engine speed

7.2 US gal/h 27.3 L/h · PTO test; reference only

Fuel use — rated PTO speed

6.8 US gal/h 25.7 L/h · PTO test; reference only

Drawbar power — tested

90.15 hp 67.2 kW · test tractor

Fuel use — maximum drawbar power

7.1 US gal/h 26.9 L/h · gear 4-Low-Direct; reference only

Maximum drawbar pull

12,176 lb 5,523 kg · gear 2-Low-Direct

Serial plate location

Right rear frame, ahead of rear axle

First serial — 1976

8,601 Year reference; no build year has been inferred for this asset

First serial — 1977

11,145 Year reference; no build year has been inferred for this asset

First serial — 1978

15,624 Year reference; no build year has been inferred for this asset

First serial — 1979

19,288 Year reference; no build year has been inferred for this asset

First serial — 1980

22,696 Year reference; no build year has been inferred for this asset

First serial — 1981

25,220 Year reference; no build year has been inferred for this asset