Search
International Harvester Hydro 186 vs International Harvester TD-15
Verdict: International Harvester Hydro 186 vs International Harvester TD-15
The International Harvester Hydro 186 and the International Harvester TD-15 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 105 hp. International Harvester TD-15 is the lighter machine (10,224 kg vs 11,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester Hydro 186 is the newer design (1976 vs 1958). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
Tell us about your operation
Fit & specs
International Harvester
85
Fit score
Best match
Clear
International Harvester
85
Fit score
Best match
Clear
Rated power
105 hp
105 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
International HarvesterReference
International HarvesterReference
18.4-34 rear tires.Reference
Gear 1 used for pull test.Reference
Original price
$33,900 (1981)Reference
—
Final drives
bull gearReference
—
Steering
power assistReference
—
Total built
—
3,500Reference
Drive
—
crawlerReference
Variants
Hydro 186 Hi-Clear
high clearanceReference
—
Engine
Drawbar (claimed)
61.1 kWReference
63.4 kWReference
Drawbar (tested)
59.5 kWReference
57.4 kWReference
Displacement
7.1 LReference
9.1 LReference
Bore/Stroke
109 x 127 mmReference
117 x 140 mmReference
Air cleaner
dual dry elementReference
—
Rated RPM
2400Reference
1650Reference
Coolant capacity
24.6 LReference
71.9 LReference
Oil capacity
107.9 LReference
—
Power at rated engine speed
78.3 kWReference
—
Max power
59.5 kWReference
57.4 kWReference
Fuel tank
—
230.9 LReference
Aux. fuel
—
5.0 LReference
Engine (net)
—
78.3 kWReference
Power (net)
—
78.3 kWReference
Compression
—
15.95:1Reference
Torque
—
523.4 NmReference
Torque RPM
—
1200Reference
Starter volts
—
12Reference
PTO & Hydraulics
PTO (claimed)
77.6 kWReference
—
PTO (tested)
78.3 kWReference
—
Hydraulic system
107.9 LReference
—
Type
closed centerReference
shuttleReference
Capacity
107.9 LReference
—
Valves
2Reference
—
Pump flow
45.4 lpmReference
—
Rear Type
IIReference
—
Rear lift (at 24"/610mm)
3020 kgReference
—
Rear PTO
independentReference
—
Rear PTO Type
540/1000 (1.375)Reference
—
Engine RPM
1000@2100Reference
—
Power at rated PTO speed
74.8 kWReference
—
Capacities
Fuel
83.3 LReference
—
Dimensions
Wheelbase
269 cmReference
—
Weight
11500 to 13135 poundsReference
10224 kgReference
Front tire
10.00-16Reference
—
Rear tire
18.4-34Reference
—
Ag front
10.00-16Reference
—
Ag rear
18.4-34Reference
—
2WD Length
424 cmReference
—
4WD Length
429 cmReference
—
Width
248 cmReference
233 cmReference
Height (cab)
317 cmReference
—
Ground clearance
66 cmReference
27 cmReference
Bar rear axle
82 mmReference
—
Shipping
5601 kgReference
—
Operating
5958 kgReference
—
Length
—
382 cmReference
Height (hood)
—
207 cmReference
Height (exhaust)
—
237 cmReference
Operating weight
—
10224 kgReference
Gauge
—
187 cmReference
Hydro 186 Serial Numbers
1976
8601Reference
—
1977
8813Reference
—
1978
9806Reference
—
1979
10626Reference
—
1980
11465Reference
—
1981
12279Reference
—
Location:
Rear axle.Reference
Serial number plate on the lower-right of the dashboard.Reference
Electrical
Ground
negativeReference
—
Charging system
alternatorReference
generatorReference
Charging amps
61 (with cab)Reference
—
Batteries
2Reference
2Reference
Battery CCA
470Reference
—
Battery volts
12Reference
6Reference
Test results
Fuel use
27.6 l/hourReference
29.5 l/hourReference
Max pull
5131 kgReference
9650 kgReference
Transmission
Transmission
hydrostaticReference
—
Gears
variable, two-range forward and reverseReference
6 forward and reverseReference
Oil type
IH Hy-Tran/B-6Reference
—
Clutch
—
381mm dry discReference
Speeds
International Harvester TD-15 attachments
TD-15 Serial Numbers
1958
—
501 (150)Reference
1959
—
577 (150)Reference
1960
—
2456 (150)Reference
1961
—
4001 (151)Reference
1962
—
4680 (151)Reference
International Harvester TD-15 Tracks
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.