Search
International Harvester 4156 vs Merlin TDX140
Verdict: International Harvester 4156 vs Merlin TDX140
The International Harvester 4156 and the Merlin TDX140 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 140 hp. International Harvester 4156 is the lighter machine (6,259 kg vs 6,699 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 4156 holds more fuel (378.5 L vs 249.8 L) for longer stints between fills. 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
Merlin
85
Fit score
Best match
Clear
Rated power
140 hp
140 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
International HarvesterReference
MerlinReference
With 18.4-30 tires.Reference
liquid-cooledReference
Total built
218Reference
—
Original price
$21,500 (1970)Reference
—
Drive
4x4 4WDReference
—
Steering
Hydrostatic power, 2- or 4-wheelReference
hydrostatic powerReference
Engine
Fuel tank
378.5 LReference
249.8 LReference
Drawbar (claimed)
93.2 kWReference
—
Displacement
7.0 LReference
6.0 LReference
Bore/Stroke
114 x 114 mmReference
100 x 127 mmReference
Compression
16:1Reference
—
Rated RPM
2400Reference
2400Reference
Oil capacity
47.3 LReference
—
Coolant capacity
35.0 LReference
—
Engine
—
104.4 kWReference
Power
—
104.4 kWReference
Torque
—
540.1 NmReference
Transmission
Gears
8 forward and 4 reverseReference
16 forward and reverseReference
Transmission
—
shuttleReference
PTO & Hydraulics
PTO (claimed)
104.4 kWReference
—
Valves
0 to 3Reference
3Reference
Pump flow
96.5 lpmReference
—
Total flow
102.6 lpmReference
79.9 lpmReference
Steering flow
111.7 lpmReference
—
Steering press.
137.9 barReference
—
Rear Type
2/3Reference
—
Rear PTO
independentReference
—
Rear PTO Type
1000Reference
540/1000Reference
Dimensions
Wheelbase
259 cmReference
268 cmReference
Weight
6259 kgReference
6699 kgReference
Front tire
23.1-26Reference
14.9-26Reference
Rear tire
23.1-26Reference
18.4-38Reference
Ag front
28.1-26Reference
14.9-26Reference
Ag rear
28.1-26Reference
18.4-38Reference
Length
492 cmReference
407 cmReference
Width
243 cmReference
228 cmReference
Height (steering wheel)
236 cmReference
—
Height (exhaust)
355 cmReference
—
Shipping weight
6259 kgReference
—
Ballasted weight
9253 kgReference
—
Ground clearance
43 cmReference
44 cmReference
Height
—
320 cmReference
4156 Serial Numbers
1969
9219Reference
—
1970
9365Reference
—
Final
9447Reference
—
Speeds
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.