Wikitractor

Fiat-Hesston 55-66

Production ended · 2WD or 4WD

PTO power · claimed

45.8 hp

Weight
5,290 lb
Engines
1 Diesel
Built
no record
Price new · 1990
$17,400

Power

Engine55 hp unspecified
PTO45.8 hp claimed
PTO, tested45.8 hp
Drawbar38 hp claimed
Drawbar, tested38.4 hp
Listed power55 hp engine basis

Engines

Fiat 2.7L 3-cyl dieselDiesel · 3 cyl165 ci
Engine details
Fiat 2.7L 3-cyl diesel
Bore × stroke
3.94 in × 4.53 in
Rated speed
2,500 rpm
Rated power
55 hp
Compression
17:1
Cooling
liquid-cooled

Transmissions

12-speed partially synchronizedpartially synchronized12F / 4R
12-speed mechanical shuttlemechanical shuttle12F / 12R
20-speed creepercreeper20F / 8R
Transmission notes

12-speed partially synchronized: Four gears (1-4) in three ranges (I-III). Shifts between gears are synchronized.

12-speed mechanical shuttle: Four gears (1-4) in three ranges (I-III) with shuttle.

20-speed creeper: Four gears (1-4) in three ranges (I-III) with normal and creeper ranges.

Weight

Weight5,290 lb operating; 2WD
Shipping4,851 lb
Ballasted6,570 lb

Dimensions

Wheelbase85.6 in
Length130 in
Height63.5 in unspecified
Front axle clearance18.5 in
Rear tread, narrowest52.1 in
Rear tread, widest75.8 in

Capacities

Fuel tank19.2 gal

Hydraulics

Systemopen center
Pump flowno record
Total flow11 gpm
Pressure2,700 psi
Remote valves0 to 3

Hitch

Rear hitch categoryI/II
Controlposition and lower-link draft control
Rear lift capacity3,920 lb

PTO

Rear PTOindependent
Rear PTO speeds540/ground

Chassis

Drive2WD/4WD
SteeringPower steering
BrakesMechanical wet disc brakes
CabFour-post ROPS. Canopy optional

Tires

Front6.50-16
Rear13.6-28

Electrical

System voltage12 V
Chargingalternator
Charging output33 A

Production

Price new$17,400 (1990)
Built byHesston (a part of Fiat)

Variants

  • 55-66 utility 2WD
  • 55-66DT utility 4WD

Literature

  • 66 Series Tractors 45 to 70 PTO HP Hesston, 1985
  • 66 Series Tractors Models 55-66, 60-66, 70-66, 80-66 - 45 to 70 PTO HP Hesston, 1985

Attachments

  • front-end loader