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International Harvester 706

International Harvester 706 tractor photo
1963 - 1967
Standard-tread tractor
Next model:International Harvester 756
Series next:International Harvester 806

The 706 was available with a new Torque Amplifier design that prevented free-wheeling when going downhill. An over-center hand clutch was an option, usually found on Wheatland (standard tread) models. The 706 was available with either the Fast Hitch or a standard 3-point hitch. The PTO featured both 540 and 1000 RPM shafts, both of which turned while in use.


Manufacturer:International Harvester
Total built:5,487
Original price (USD):$6,100 (1967)


Farmall 706:row-crop
IH 706:standard-tread
IH 2706:industrial
706 Hi-Clear:high-crop

International Harvester 706 Engines:

   International Harvester 4.6L 6-cyl diesel
   International Harvester 5.1L 6-cyl diesel
   International Harvester 4.3L 6-cyl gasoline
   Interntional Harvester 4.8L 6-cyl gasoline
full engine details ...


Fuel:33 gal [124.9 L] (gas/diesel)
 39 gal [147.6 L] (LP gas)
Hydraulic system:17 gal [64.3 L]

Rear Hitch:

Type:IH Fast Hitch

3-Point Hitch:

Rear Type:II/I
Control:torsion bar (optional)

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540/1000

Dimensions & Tires:

Wheelbase:87.5 inches [222 cm] (2WD)
 87 inches [220 cm] (4WD)
Weight:8100 to 10710 pounds
Front tire:7.50-18
Rear tire:18.4-30
full dimensions and tires ...

706 Serial Numbers:

Location:Tractor's clutch housing on left side
photo of 706 serial number

1963: 501 (IH)
1964: 1251 (IH)
1965: 3478 (IH)
1966: 4789 (IH)
1967: 5316 (IH)

how to read serial numbers...


International Harvester 706 Power:

Drawbar (tested):67.46 hp [50.3 kW]
PTO (tested):76.56 hp [57.1 kW]
power test details ...


Chassis:4x2 2WD
 4x4 MFWD 4WD (optional)
Steering:hydrostatic power
Brakes:hydraulic disc
Cab:Cab optional, A/C available starting in 1966


Type:open center
Capacity:17 gal [64.3 L]
Valves:1 or 2
Pump flow:12 gpm [45.4 lpm]
 17 gpm [64.3 lpm] (optional)
Total flow:24 gpm [90.8 lpm]
Steering flow:9 gpm [34.1 lpm]

Belt Pulley:

Diameter:11 inches [27 cm]
Width:7.5 inches [19 cm]
Speed:3,038 ft/min [925.98 meters/min]


Charging amps:25 (generator)
 32 (alternator)


Number:1 (gas)
 2 (diesel)
Volts:12 (gas)
 6 (diesel)

Page information:

Last update:March 2, 2012
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