Compare/International Harvester Super AI vs Twin City Road Chief

International Harvester Super AI vs Twin City Road Chief

Verdict: International Harvester Super AI vs Twin City Road Chief

The International Harvester Super AI and the Twin City Road Chief are both industrial tractors — here is how they stack up on the figures that matter. Twin City Road Chief leads on rated power with 17 hp against 16 hp. International Harvester Super AI is the lighter machine (1,088 kg vs 2,426 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester Super AI is the newer design (1947 vs 1926). In short: choose the Twin City Road Chief for outright pulling power, or the International Harvester Super AI if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

Twin City

Fit score

Best match

Clear

Rated power

16 hp

17 hp

Confidence

40%

Guide price

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Overview

Manufacturer

International HarvesterReference

Twin CityReference

keroseneReference

liquid-cooled inlineReference

Factories

Chicago, Illinois, USAReference

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Steering

manualReference

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Variants

Super A

Farmall row-cropReference

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17-28

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farm tractorReference

Road Chief

—

industrial tractorReference

Engine

Drawbar (claimed)

9.7 kWReference

12.7 kWReference

Displacement

1.9 LReference

5.6 LReference

Bore/Stroke

76 x 102 mmReference

108 x 152 mmReference

Compression

6:1Reference

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Rated RPM

1400Reference

1075Reference

Idle RPM

500-1540Reference

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Firing order

1-3-4-2Reference

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Starter volts

6Reference

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Coolant capacity

12.3 LReference

39.7 LReference

Sparkplug gap

0.635 mmReference

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Point gap

0.508 mmReference

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Intake valve clearance

0.356 mmReference

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Exhaust valve clearance

0.356 mmReference

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Oil capacity

4.7 LReference

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Oil change

120 hReference

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Fuel tank

—

113.6 LReference

Belt (claimed)

—

20.9 kWReference

Air cleaner

—

dryReference

Starter type

—

hand-crankReference

Transmission

Gears

4 forward and 1 reverseReference

2 forward and 1 reverseReference

Clutch

9-inch dry discReference

dry discReference

PTO & Hydraulics

PTO (claimed)

11.9 kWReference

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Hydraulic system

7.9 LReference

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Type

sliding gearReference

gearReference

Capacity

7.9 LReference

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Valves

1Reference

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Rear PTO

transmissionReference

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Rear PTO Type

540Reference

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Capacities

Fuel

41.6 LReference

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Aux. fuel

2.8 LReference

3.8 LReference

Rear hubs

2.8 LReference

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Diameter

21 cmReference

—

Width

141 cmReference

167 cmReference

RPM

1157Reference

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Speed

784.56 meters/minReference

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Dimensions

Wheelbase

180 cmReference

213 cmReference

Weight

1088 kgReference

2426 kgReference

Ag front

5.00-15Reference

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Ag rear

9-24Reference

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Length

271 cmReference

353 cmReference

Height (steering wheel)

163 cmReference

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Height (exhaust)

207 cmReference

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Ballasted weight

1564 kgReference

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Clearance (rear axle)

54 cmReference

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Min Clearance (drawbar)

29 cmReference

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Max Clearance (drawbar)

42 cmReference

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Rear tread

101 to 172 cmReference

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Front tire

—

34x6Reference

Rear tire

—

50x20Reference

Industrial front

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34x6Reference

Industrial rear

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50x20 (solid rubber duals)Reference

Height

—

167 cmReference

Super AI Serial Numbers

1947

250001Reference

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1948

250082Reference

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1949

268196Reference

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1950

281269Reference

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1951

300126Reference

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1952

324470Reference

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1953

336880Reference

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1954

353348Reference

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Location:

On the right side of the seat supportReference

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Electrical

Ground

postitiveReference

—

Battery volts

6Reference

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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.