Zetor 5545
The Zetor 5545 is a tractor produced by Zetor. It is equipped with a 190.4 ci 3.1 L engine. The listed engine power is Diesel (listed): 56 hp / 41.8 kW. Transmission: 10 forward and 2 reverse. Operating weight: 5622 lbs 2550 kg.
Engine Power
Diesel (listed): 56 hp / 41.8 kW
Fuel & Capacities
Diesel
Transmission
10 forward and 2 reverse
Operating Weight
5622 lbs
2550 kg
Overview
 | 1968 - 1972 |
|---|
Production | |
|---|---|
Manufacturer | Zetor |
Built in Brno, Czechoslovakia | |
Variants | |
|---|---|
5511 | 2WD open |
5545 | 4WD open |
5611 | 2WD cab |
Zetor 5545 Engine | |
|---|---|
Zetor 3.1L 4-cyl diesel | |
Engine details ...  |
Zetor 5545 Transmission | |
|---|---|
10-speed gear | |
Transmission details ...  |
Zetor 5545 Power | |
|---|---|
Engine | 56 hp
41.8 kW |
Drawbar (claimed) | 48 hp
35.8 kW |
PTO (claimed) | 53.9 hp
40.2 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | spur gear |
Differential lock | mechanical rear |
Manual steering | |
Hydraulic drum brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2134 psi
147.1 bar |
Valves | 1 |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Control | position and draft control |
Rear lift (at ends) | 3080 lbs
1397 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 89 inches
226 cm |
Weight | 5622 lbs
2550 kg |
Front tire | 8-24 |
Rear tire | 13-28 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
5511 - 5545 - 5611 published by Zetor* | |
*Publication contains known errors. |
Engine
Engine Detail — 190.4 ci / 3.1 L Diesel
Manufacturer | Zetor |
Fuel Type | Diesel |
Configuration | 4-cylinder |
Displacement | 190.4 ci
3.1 L |
Bore/Stroke | 3.74x4.33 inches
95 x 110 mm |
Power | 56 hp
41.8 kW |
Fuel system | direct injection |
Compression | 17.9:1 |
Rated RPM | 2200 |
Torque | 132.4 lb-ft
179.5 Nm |
Torque RPM | 1470 |
Transmission
Transmission — 10 forward and 2 reverse gear
Type | gear |
Gears | 10 forward and 2 reverse |
Clutch | dry disc |
Dimensions
Zetor 5545 Tires | |
|---|---|
Ag front | 8-24 |
Ag rear | 13-28 |
Dimensions | |
|---|---|
Wheelbase | 89 inches
226 cm |
Weight | 5622 lbs
2550 kg |
Photos
Zetor 5545
Recommended Implements & Sizing Guide
Engineering recommendations for Zetor 5545 based on its 56 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
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 Zetor 5545.
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
Zetor 5545 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 5545.
Converted Equivalents:
Horsepower (HP)56 hp
Kilowatts (kW)41.8 kW
Metric Horsepower (PS / CV)56.8 PS
Direct Competitor Comparison
Compare Zetor 5545 against same-era industry alternatives in the same horsepower class.
Current Model
Zetor
Zetor 5545
Engine Power:Diesel (listed): 56 hp / 41.8 kW
★ Baseline Reference
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