Compare/International Harvester 684 vs International Harvester TD-14A

International Harvester 684 vs International Harvester TD-14A

Verdict: International Harvester 684 vs International Harvester TD-14A

The International Harvester 684 and the International Harvester TD-14A are both tractors — here is how they stack up on the figures that matter. International Harvester 684 leads on rated power with 63 hp against 61 hp. International Harvester 684 is the lighter machine (5,620 kg vs 15,975 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 684 is the newer design (1977 vs 1949). In short: choose the International Harvester 684 for outright pulling power, or the International Harvester TD-14A 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

63 hp

61 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

The optional Torque Amplifier (TA) provides a clutchless on-the-move shift from direct drive (DD) to a lower TA speed.Reference

Gear 1 used for pull test.Reference

Drive

—

crawlerReference

Engine

51.5 kWReference

—

Drawbar (claimed)

41.7 kWReference

45.1 kWReference

Plows

4Reference

—

Drawbar (tested)

40.7 kWReference

46.7 kWReference

Displacement

3.9 LReference

7.6 LReference

Bore/Stroke

98 x 129 mmReference

121 x 165 mmReference

Power

51.5 kWReference

—

Air cleaner

dryReference

oil bathReference

Rated RPM

2400Reference

1400Reference

Starter volts

12Reference

Oil capacity

34.1 LReference

15.1 LReference

Coolant capacity

13.6 LReference

71.9 LReference

Power at rated engine speed

46.6 kWReference

—

Max power

40.7 kWReference

46.7 kWReference

Fuel tank

—

170.3 LReference

Aux. fuel

—

5.0 LReference

Belt (claimed)

—

53.7 kWReference

Belt (tested)

—

53.5 kWReference

Compression

—

15.5:1Reference

Starter

—

gasoline-startReference

Belt power (max)

—

53.5 kWReference

Transmission

Gears

16 forward and 8 reverseReference

6 forward and 2 reverseReference

Transmission

Torque AmplifierReference

—

PTO & Hydraulics

PTO (claimed)

46.6 kWReference

—

PTO (tested)

46.6 kWReference

—

Hydraulic system

34.1 LReference

—

Type

two-speed power shiftReference

gearReference

Capacity

34.1 LReference

—

Valves

1 or 2Reference

—

Pump flow

58.3 lpmReference

—

Rear Type

IIReference

—

Control

position and draft controlReference

—

Rear lift

1632 kgReference

—

Rear PTO

independentReference

optionalReference

Clutch

dry discReference

Rear PTO Type

540Reference

Power at rated PTO speed

43.8 kWReference

—

Capacities

Fuel

75.7 LReference

—

Diameter

—

29 cmReference

Width

—

233 cmReference

RPM

—

875Reference

Speed

—

820.52 meters/minReference

Dimensions

Utility Wheelbase

223 cmReference

—

Row-crop Wheelbase

214 cmReference

—

4WD Wheelbase

216 cmReference

—

Low-profile Wheelbase

212 cmReference

—

Weight

5620 to 6765 poundsReference

15975 to 18300 poundsReference

Front tire

7.50-16Reference

—

Rear tire

16.9-30Reference

—

Ag front

7.50-16Reference

—

Ag rear

16.9-30Reference

—

Utility Length

360 cmReference

—

Row-crop Length

353 cmReference

—

4WD Length

373 cmReference

—

Low-profile Length

360 cmReference

—

Utility Width

187 cmReference

—

Row-crop Width

190 cmReference

—

4WD Width

187 cmReference

—

Low-profile Width

199 cmReference

—

Utility Ground clearance

45 cmReference

—

Row-crop Ground clearance

45 cmReference

—

4WD Ground clearance

45 cmReference

—

Low-profile Ground clearance

27 cmReference

—

Bar rear axle

69 mmReference

—

Utility Shipping

2594 kgReference

—

Row-crop Shipping

2707 kgReference

—

4WD Shipping

3068 kgReference

—

Low-profile Shipping

2549 kgReference

—

Ballasted

4381 kgReference

—

Utility Steering wheel

160 cmReference

—

Row-crop Steering wheel

160 cmReference

—

4WD Steering wheel

160 cmReference

—

Low-profile Steering wheel

143 cmReference

—

Length

—

340 cmReference

Height

—

229 cmReference

Gauge

—

187 cmReference

Shipping

—

7631 kgReference

Operating

—

8300 kgReference

684 Serial Number Location

684 Serial Numbers

1978

501Reference

—

1979

1687Reference

—

1980

3533Reference

—

1981

6037Reference

—

1982

8001Reference

—

1983

8512Reference

—

1984

9352Reference

—

Electrical

Ground

negativeReference

—

Charging amps

45Reference

—

Battery volts

12Reference

—

International Harvester 684 Height

ROPS

254 cmReference

—

Test results

Fuel use

15.5 l/hourReference

—

Max pull

3110 kgReference

6646 kgReference

Belt fuel use (max)

—

17.8 l/hourReference

Speeds

International Harvester TD-14A attachments

TD-14A Serial Number Location

TD-14A Serial Numbers

1949

—

26760 (TDF)Reference

1950

—

27082 (TDF)Reference

1951

—

29361 (TDF)Reference

1952

—

32427 (TDF)Reference

1953

—

34525 (TDF)Reference

1954

—

37344 (TDF)Reference

1955

—

39301 (TD141)Reference

1956

—

41551 (TD142)Reference

1957

—

43968 (TD142)Reference

1958

—

45010 (TD142)Reference

Final

—

45558 (TD142)Reference

International Harvester TD-14A Tracks

Length on ground

—

199 cmReference

Area on ground

—

1.8 m²Reference

Ground pressure

—

0.4 barReference

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.