Zetor 12045
The Zetor 12045 is a tractor produced by Zetor. It is equipped with a 417.5 ci 6.8 L engine. The listed engine power is Diesel (listed): 120 hp / 89.5 kW. Transmission: synchro mesh. Operating weight: 10560 lbs 4790 kg.
Engine Power
Diesel (listed): 120 hp / 89.5 kW
Fuel & Capacities
34.3 gal
129.8 L
Transmission
synchro mesh
Operating Weight
10560 lbs
4790 kg
Overview
 | 1974 - 1987
Crystal UR2 SeriesRow-Crop tractor
Crystal UR2 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Zetor |
Row-Crop tractor | |
Built in Brno, Czechoslovakia | |
Variants | |
|---|---|
12011 | 2WD |
12045 | 4WD |
Zetor 12045 Engine | |
|---|---|
Zetor 6.8L 6-cyl diesel | |
Fuel tank | 34.3 gal
129.8 L |
Engine details ...  | |
Zetor 12045 Transmission | |
|---|---|
16-speed | |
Transmission details ...  |
Zetor 12045 Power | |
|---|---|
Engine | 120 hp
89.5 kW |
PTO (claimed) | 112 hp
83.5 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Hydraulic dry disc brakes | |
Cab standard. |
Hydraulics | |
|---|---|
Type | open center |
Valves | 1 |
Pump flow | 8.4 gpm
31.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | lower-link draft control |
Rear lift | 7496 lbs
3400 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Engine RPM | 540@1900 |
2200@1900 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 106 inches
269 cm |
Weight | 10560 lbs
4790 kg |
Front tire | 14.9-24 |
Rear tire | 18.4-34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
 | |
Tractor Model 12045 Crystal published in 1983, by Zetor |
Engine
Engine Detail — 417.5 ci / 6.8 L Diesel
Manufacturer | Zetor Z 8601 |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 417.5 ci
6.8 L |
Bore/Stroke | 4.331x4.724 inches
110 x 120 mm |
Power | 120 hp
89.5 kW |
Fuel system | direct injection |
Rated RPM | 2200 |
Starter volts | 24 |
Transmission
Transmission — synchro mesh
Transmission | synchro mesh |
Gears | 16 forward and 8 reverse |
Four gears in two ranges with two-speed torque multiplier. | |
With 15-34 rear tires. | |
 | |
Dimensions
Zetor 12045 Tires | |
|---|---|
Ag front | 14.9-24 |
Ag rear | 18.4-34 |
Dimensions | |
|---|---|
Wheelbase | 106 inches
269 cm |
Length | 168.1 inches
426 cm |
Width | 77 inches
195 cm |
Height (cab) | 98.8 inches
250 cm |
Weight | 10560 lbs
4790 kg |
Ballasted weight | 12610 lbs
5719 kg |
Ground clearance | 17.5 inches
44 cm |
Front tread | 67.3 inches
170 cm |
Photos
Zetor 12045 row-crop tractor.
Recommended Implements & Sizing Guide
Engineering recommendations for Zetor 12045 based on its 120 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
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 12045.
Estimated Continuous Field Runtime: 5.5 hrs
Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (34.3 gal / 129.8 L).
Estimated 75% Load Fuel Burn~6.2 gal/hr (23.6 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 12045 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor 12045.
Converted Equivalents:
Horsepower (HP)120 hp
Kilowatts (kW)89.5 kW
Metric Horsepower (PS / CV)121.7 PS
Direct Competitor Comparison
Compare Zetor 12045 against same-era industry alternatives in the same horsepower class.
Current Model
Zetor
Zetor 12045
Engine Power:Diesel (listed): 120 hp / 89.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 1046
Engine Power:108.5
Production Years:1971 - 1978
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