Compare/International Harvester 3788 vs International Harvester 7488

International Harvester 3788 vs International Harvester 7488

Verdict: International Harvester 3788 vs International Harvester 7488

The International Harvester 3788 and the International Harvester 7488 are both tractors — here is how they stack up on the figures that matter. International Harvester 7488 leads on rated power with 200 hp against 171 hp. International Harvester 7488 is the lighter machine (9,151 kg vs 16,520 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 7488 is the newer design (1985 vs 1980). In short: choose the International Harvester 7488 for outright pulling power, or the International Harvester 3788 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

International Harvester

Fit score

Best match

Clear

Rated power

171 hp

200 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

With 18.4-38 rear tires.Reference

The Synchro Tri-Six provides six gears with high, medium, low, and reverse ranges. A power shift exists with gear pairs (1/2, 3/4, 5/6) then the clutch needed to shift between pairs.Reference

Total built

2,496Reference

16Reference

Steering

hydrostatic powerReference

—

Differential lock

—

hydraulicReference

Engine

Fuel tank

340.7 LReference

—

Drawbar (claimed)

108.9 kWReference

—

Drawbar (tested)

105.9 kWReference

—

Displacement

7.6 LReference

Bore/Stroke

109 x 136 mmReference

Rated RPM

2500Reference

2400Reference

Idle RPM

780-2750Reference

880-2640Reference

Starter volts

12Reference

Oil capacity

18.9 LReference

162.8 LReference

Coolant capacity

32.2 LReference

34.1 LReference

Power at rated engine speed

127.2 kWReference

—

Max power

105.9 kWReference

—

Engine

—

175.2 kWReference

Power

—

175.2 kWReference

Air cleaner

—

dual-stage dryReference

Pre-heating

—

ether injectionReference

Starter

—

electricReference

Transmission

Torque AmplifierReference

Tri-SixReference

Gears

12 forward and 6 reverseReference

18 forward and 6 reverseReference

Clutch

356mm hydraulic dry discReference

hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)

127.2 kWReference

149.1 kWReference

PTO (tested)

127.2 kWReference

—

Type

two-range power shiftReference

partial power shiftReference

Valves

2Reference

—

Pump flow

45.4 lpmReference

106.0 lpmReference

Rear Type

IIIReference

III/IIReference

Rear PTO

independentReference

Rear PTO Type

1000Reference

Engine RPM

1000@2100Reference

—

Power at rated PTO speed

124.1 kWReference

—

Hydraulic system

—

162.8 LReference

Capacity

—

162.8 LReference

Rear valves

—

2 to 4Reference

Total flow

—

325.5 lpmReference

Steering flow

—

45.4 lpmReference

Control

—

position and draft controlReference

Rear lift

—

4486 kgReference

Dimensions

Wheelbase

279 cmReference

293 cmReference

Weight

16520 to 18620 poundsReference

9151 kgReference

Front tire

18.4-38Reference

20.8-38Reference

Rear tire

18.4-38Reference

20.8-38Reference

Ag front

18.4-38Reference

20.8-38Reference

Ag rear

18.4-38Reference

20.8-38Reference

Length

579 cmReference

607 cmReference

Width

258 cmReference

289 cmReference

Height (cab)

294 cmReference

—

Clearance (front axle)

58 cmReference

52 cmReference

Clearance (rear axle)

67 cmReference

—

Front axle

82 mmReference

101 mmReference

Bar rear axle

82 mmReference

101 mmReference

Shipping

7493 kgReference

—

Operating

8446 kgReference

—

Height (exhaust)

—

327 cmReference

Shipping weight

—

9151 kgReference

Clearance (drawbar)

—

44 cmReference

3788 Serial Numbers

1980

8801Reference

—

1981

10866Reference

—

Location:

Right side of tractor frame, by rear axle.Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

100Reference

—

Batteries

2Reference

—

Battery volts

12Reference

Capacities

Max capacity

10659 kgReference

—

Fuel

—

601.8 LReference

Test results

Fuel use

40.5 l/hourReference

—

Max pull

8649 kgReference

—

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.