Toro Z4220 74363
The Toro Z4220 74363 is a tractor produced by Toro Lawn Tractors. It is equipped with a 596 cc 36.4 ci engine. The listed engine power is Gasoline (gross): 21 hp / 15.7 kW. Transmission: Hydro-Gear EZT.
Engine Power
Gasoline (gross): 21 hp / 15.7 kW
Fuel & Capacities
3 gal
11.4 L
Transmission
Hydro-Gear EZT
Overview
 | 2008 - 2009
TimeCutter Z SeriesZero-turn mower
TimeCutter Z Series
Zero-turn mower |
|---|
Production | |
|---|---|
Manufacturer | Toro |
Zero-turn mower | |
Original price was $2,999 in 2015 | |
Toro Z4220 Engine | |
|---|---|
21HP Kohler 596cc 1-cyl gasoline | |
Fuel tank | 3 gal
11.4 L |
Engine details ...  | |
Toro Z4220 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
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Two-wheel drive | |
Power steering | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Clutch | electric |
Dimensions & Tires | |
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Front tire | 10x4 |
Rear tire | 18x7.5 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery CCA | 195 |
Battery volts | 12 |
References | |
|---|---|
 | |
Timecutter Z Zero Turn Mowers published in 2009, by Toro |
Engine
Engine Detail — 596 cc / 36.4 ci Gasoline
Manufacturer | Kohler SV610 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled vertical-shaft |
Displacement | 596 cc
36.4 ci |
Bore/Stroke | 3.70x3.39 inches
94 x 86 mm |
Power (gross) | 21 hp
15.7 kW |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.6 qts
1.5 L |
Sparkplug | Champion XC12YC |
Sparkplug gap | 0.030 inches
0.762 mm |
Transmission
Transmission — Hydro-Gear EZT
Transmission | Hydro-Gear EZT |
Type | hydrostatic |
Gears | infinite forward and reverse |
 | |
Dimensions
Toro Z4220 Tires | |
|---|---|
Lawn/turf front | 10x4 |
Lawn/turf rear | 18x7.5 |
Dimensions | |
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Length | 73.1 inches
185 cm |
Height | 40.3 inches
102 cm |
Front axle | Caster |
Attachments
42" Mower deck | |
|---|---|
Type | mid-mount Toro |
2-blade with manual lift | |
Cutting width | 42 inches
106 cm |
Overall width | 53.8 inches
136 cm |
Cut height | 1.5 to 4.5 inch
3 to 11 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Toro Lawn Tractors Toro Z4220 74363 based on its 21 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. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 Toro Lawn Tractors Toro Z4220 74363.
Estimated Continuous Field Runtime: 2.7 hrs
Approximately 2.7 hours of continuous field operation at ~75% rated power on a full tank (3 gal / 11.4 L).
Estimated 75% Load Fuel Burn~1.1 gal/hr (4.1 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
Toro Lawn Tractors Toro Z4220 74363 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Toro Lawn Tractors Toro Z4220 74363.
Converted Equivalents:
Horsepower (HP)21 hp
Kilowatts (kW)15.7 kW
Metric Horsepower (PS / CV)21.3 PS
Direct Competitor Comparison
Compare Toro Z4220 74363 against same-era industry alternatives in the same horsepower class.
Current Model
Toro Lawn Tractors
Toro Z4220 74363
Engine Power:Gasoline (gross): 21 hp / 15.7 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester D-219
Engine Power:19
Production Years:1962 - 1966
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