Zetor Primo HT20
The Zetor Primo HT20 is a tractor produced by Zetor. The listed engine power is Diesel (gross): 19 hp / 14.2 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 1671 lbs 757 kg.
Engine Power
Diesel (gross): 19 hp / 14.2 kW
Fuel & Capacities
6.6 gal
25.0 L
Transmission
infinite forward and reverse (2-range)
Operating Weight
1671 lbs
757 kg
Overview
 | 2020 -
Primo SeriesSub-Compact Utility tractorTYM built |
|---|---|
2020 - | |
Primo Series | |
Sub-Compact Utility tractor | |
TYM built | |
2020 - | |
|---|---|
Primo Series | |
Sub-Compact Utility tractor | |
TYM built |
Production | |
|---|---|
Distributor | Zetor |
Manufacturer | TYM |
Sub-Compact Utility tractor | |
Zetor Primo HT20 Engine | |
|---|---|
Yanmar 3-cyl diesel | |
Fuel tank | 6.6 gal
25.0 L |
Engine details ...  | |
Zetor Primo HT20 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Zetor Primo HT20 Power | |
|---|---|
Engine (gross) | 19 hp
14.2 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Two-post folding ROPS. |
Hydraulics | |
|---|---|
Pump flow | 7 gpm
26.5 lpm |
Tractor hitch | |
|---|---|
Rear Type | IN |
Control | position control |
Rear lift | 1100 lbs
498 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | electro-hydraulic |
Rear PTO Type | 540 |
Mid PTO | independent |
Mid PTO Type | 2500 |
Dimensions & Tires | |
|---|---|
Wheelbase | 53.2 inches
135 cm |
Weight | 1671 lbs
757 kg |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
| 2020 -
Primo SeriesSub-Compact Utility tractorTYM built |
|---|---|
2020 - | |
Primo Series | |
Sub-Compact Utility tractor | |
TYM built | |
2020 - | |
|---|---|
Primo Series | |
Sub-Compact Utility tractor | |
TYM built |
Engine Detail — Diesel
Manufacturer | Yanmar |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Emissions | Stage 5 |
Rated Power (gross) | 19 hp
14.2 kW |
Starter | electric |
Starter volts | 12 |
Transmission
| 2020 -
Primo SeriesSub-Compact Utility tractorTYM built |
|---|---|
2020 - | |
Primo Series | |
Sub-Compact Utility tractor | |
TYM built | |
2020 - | |
|---|---|
Primo Series | |
Sub-Compact Utility tractor | |
TYM built |
Transmission — infinite forward and reverse (2-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (2-range) |
 | |
Dimensions
| 2020 -
Primo SeriesSub-Compact Utility tractorTYM built |
|---|---|
2020 - | |
Primo Series | |
Sub-Compact Utility tractor | |
TYM built | |
2020 - | |
|---|---|
Primo Series | |
Sub-Compact Utility tractor | |
TYM built |
Zetor Primo HT20 Tires | |
|---|---|
Lawn/turf front | 18x8.00-10 |
Lawn/turf rear | 26x12.00-12 |
Dimensions | |
|---|---|
Wheelbase | 53.2 inches
135 cm |
Length | 94.3 inches
239 cm |
Width | 44.5 inches
113 cm |
Height (ROPS) | 86.6 inches
219 cm |
Weight | 1671 lbs
757 kg |
Ground clearance | 8.3 inches
21 cm |
Attachments
| 2020 -
Primo SeriesSub-Compact Utility tractorTYM built |
|---|---|
2020 - | |
Primo Series | |
Sub-Compact Utility tractor | |
TYM built | |
2020 - | |
|---|---|
Primo Series | |
Sub-Compact Utility tractor | |
TYM built |
54" Mower deck | |
|---|---|
Type | mid-mount Zetor |
Cutting width | 54 inches
137 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Zetor Primo HT20 based on its 19 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
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 Primo HT20.
Estimated Continuous Field Runtime: 6.7 hrs
Approximately 6.7 hours of continuous field operation at ~75% rated power on a full tank (6.6 gal / 25 L).
Estimated 75% Load Fuel Burn~1 gal/hr (3.7 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 Primo HT20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Zetor Primo HT20.
Converted Equivalents:
Horsepower (HP)19 hp
Kilowatts (kW)14.2 kW
Metric Horsepower (PS / CV)19.3 PS
Direct Competitor Comparison
Compare Zetor Primo HT20 against same-era industry alternatives in the same horsepower class.
Current Model
Zetor
Zetor Primo HT20
Engine Power:Diesel (gross): 19 hp / 14.2 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 8-16
Engine Power:17.8
Production Years:1917 - 1922
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