Zetor 4911
The Zetor 4911 is a tractor produced by Zetor. It is equipped with a 164.5 ci 2.7 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW. Transmission: 10 forward and 2 reverse.
Engine Power
Diesel (listed): 45 hp / 33.6 kW
Fuel & Capacities
14.5 gal
54.9 L
Transmission
10 forward and 2 reverse
Overview
 | 1977 - 1980
UR1 9 Series Series |
|---|
Production | |
|---|---|
Manufacturer | Zetor |
Variants | |
|---|---|
4911 | 2WD |
4945 | 4WD |
Zetor 4911 Engine | |
|---|---|
Zetor 2.7L 3-cyl diesel | |
Fuel tank | 14.5 gal
54.9 L |
Engine details ...  | |
Zetor 4911 Transmission | |
|---|---|
10-speed | |
Transmission details ...  |
Zetor 4911 Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. Cab available. |
Tractor hitch | |
|---|---|
Rear lift | 2977 lbs
1350 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 78 inches
198 cm |
Front tire | 7.50-16 |
Rear tire | 12.4-36 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 164.5 ci / 2.7 L Diesel
Manufacturer | Zetor Z4901 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 164.5 ci
2.7 L |
Bore/Stroke | 4.01x4.33 inches
102 x 110 mm |
Power | 45 hp
33.6 kW |
Rated RPM | 2200 |
Torque | 31.9 lb-ft
43.3 Nm |
Torque RPM | 1450 |
Transmission
Transmission — 10 forward and 2 reverse
Gears | 10 forward and 2 reverse |
Dimensions
Zetor 4911 Tires | |
|---|---|
Ag front | 7.50-16 |
Ag rear | 12.4-36 |
Dimensions | |
|---|---|
Wheelbase | 78 inches
198 cm |
Length | 133 inches
337 cm |
Photos
Open station Zetor 4911.
Zetor 4911 with cab.
Zetor 4911 with cab.
Recommended Implements & Sizing Guide
Engineering recommendations for Zetor 4911 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 Zetor 4911.
Estimated Continuous Field Runtime: 6.2 hrs
Approximately 6.2 hours of continuous field operation at ~75% rated power on a full tank (14.5 gal / 54.9 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
Zetor 4911 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 4911.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Zetor 4911 against same-era industry alternatives in the same horsepower class.
Current Model
Zetor
Zetor 4911
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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