Hesston 45-66
The Hesston 45-66 is a tractor produced by Hesston. It is equipped with a 165 ci 2.7 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW. Transmission: 12 forward and reverse. Operating weight: 4450 lbs 2018 kg.
Engine Power
Diesel (listed): 45 hp / 33.6 kW
Fuel & Capacities
11.1 gal
42.0 L
Transmission
12 forward and reverse
Operating Weight
4450 lbs*4WD
2018 kg
Overview
 | 1990
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Hesston (a part of Fiat) |
Utility tractor | |
Original price was $14,500 in 1990 | |
Variants | |
|---|---|
45-66DT | 4WD |
Hesston 45-66 Engine | |
|---|---|
Fiat 2.7L 3-cyl diesel | |
Fuel tank | 11.1 gal
42.0 L |
Engine details ...  | |
Hesston 45-66 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
Hesston 45-66 Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Drawbar (claimed) | 31 hp
23.1 kW |
PTO (claimed) | 39.5 hp
29.5 kW |
Drawbar (tested) | 31.21 hp
23.3 kW |
PTO (tested) | 39.49 hp
29.4 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | hydrostatic power |
Differential wet disc brakes | |
Hydraulics | |
|---|---|
Type | open center |
Valves | 1 |
Tractor hitch | |
|---|---|
Rear Type | independent |
Rear lift | 3,920 lbs
1778 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Weight | 4450 lbs
2018 kg |
Front tire | 5.50-16 |
Rear tire | 12.4-28 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 165 ci / 2.7 L Diesel
Manufacturer | Fiat |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 165 ci
2.7 L |
Bore/Stroke | 3.937x4.528 inches
100 x 115 mm |
Power | 45 hp
33.6 kW |
Compression | 17:1 |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 12 forward and 4 reverse
Gears | 12 forward and 4 reverse |
Transmission — 12 forward and reverse
Gears | 12 forward and reverse |
Dimensions
Hesston 45-66 Tires | |
|---|---|
Ag front | 5.50-16 |
Ag rear | 12.4-28 |
Dimensions | |
|---|---|
Operating weight | 4450 lbs*4WD
2018 kg |
Ballasted weight | 5400 lbs*Four-wheel drive tractor with 600 pounds rear liquid ballast and 350 pounds of front iron weights.
2449 kg |
Tests
Nebraska Tractor Test 1579 | |
|---|---|
Diesel 12-speed 4WD
October 1 - 8, 1985
Link: Nebraska Tractor Test 1579 file | |
PTO performance | |
Power at rated engine speed | 39.49 hp
29.4 kW |
Fuel use | 2.5 gal/hour
9.5 l/hour |
Power at rated PTO speed | 37.97 hp
28.3 kW |
Fuel use | 2.3 gal/hour
8.7 l/hour |
Drawbar performance | |
Max power | 31.21 hp
23.3 kW |
Fuel use | 2.5 gal/hour
9.5 l/hour |
Max pull | 4257 lbs
1930 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Hesston 45-66 based on its 45 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Hesston 45-66.
Estimated Continuous Field Runtime: 4.7 hrs
Approximately 4.7 hours of continuous field operation at ~75% rated power on a full tank (11.1 gal / 42 L).
Estimated 75% Load Fuel Burn~2.3 gal/hr (8.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Hesston 45-66 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Hesston 45-66.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Hesston 45-66 against same-era industry alternatives in the same horsepower class.
Current Model
Hesston
Hesston 45-66
Engine Power:Diesel (listed): 45 hp / 33.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968
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