New Holland GT20
The New Holland GT20 is a tractor produced by New Holland Lawn Tractors. It is equipped with a 617 cc 37.7 ci engine. The listed engine power is Gasoline (gross): 20 hp / 14.9 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 890 lbs 403 kg.
Engine Power
Gasoline (gross): 20 hp / 14.9 kW
Fuel & Capacities
4 gal
15.1 L
Transmission
infinite forward and reverse (2-range)
Operating Weight
890 lbs
403 kg
Overview
 | 1997 - 2003
GT SeriesGarden tractorToro built
GT Series
Garden tractor
Toro built |
|---|
Production | |
|---|---|
Distributor | New Holland |
Manufacturer | Toro |
Garden tractor | |
The New Holland GT20 is similar to the Toro/Wheel Horse 520LXi. | |
Variants | |
|---|---|
520Lxi | similar Toro model |
New Holland GT20 Engine | |
|---|---|
20HP Kawasaki 617cc 2-cyl gasoline | |
Fuel tank | 4 gal
15.1 L |
Engine details ...  | |
New Holland GT20 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Mechanical band brakes | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Front PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 52 inches
132 cm |
Weight | 890 lbs
403 kg |
Front tire | 16x7.50-8 |
Rear tire | 23x10.50-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging amps | 20 |
Battery CCA | 380 |
Battery volts | 12 |
References | |
|---|---|
 | |
Lawn & Garden Tractors published in 1999, by New Holland | |
Lawn and Garden Products published in 2001, by New Holland | |
North American Buyer's Guide published in 1997, by New Holland |
Engine
Engine Detail — 617 cc / 37.7 ci Gasoline
Manufacturer | Kawasaki |
Fuel Type | Gasoline |
Configuration | 2-cylinder, liquid-cooled horizontal-shaft V-Twin |
Displacement | 617 cc
37.7 ci |
Bore/Stroke | 2.99x2.66 inches
76 x 68 mm |
Power (gross) | 20 hp
14.9 kW |
Air cleaner | dry |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.9 qts
1.8 L |
Coolant capacity | 4.1 qts
3.9 L |
Transmission
Transmission — infinite forward and reverse (2-range) shaft-driven hydrostatic
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse (2-range) |
Cruise control standard. | |
 | |
Dimensions
New Holland GT20 Tires | |
|---|---|
Lawn/turf front | 16x7.50-8 |
Lawn/turf rear | 23x10.50-12 |
Dimensions | |
|---|---|
Wheelbase | 52 inches
132 cm |
Length | 76.5 inches
194 cm |
Width | 40 inches
101 cm |
Height (steering wheel) | 45 inches
114 cm |
Weight | 890 lbs
403 kg |
Ground clearance | 7 inches
17 cm |
Attachments
Attachment overview | |
|---|---|
44" mid-mount mower deck | |
48" mid-mount mower deck | |
52" mid-mount mower deck | |
60" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
New Holland GT20 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for New Holland Lawn Tractors New Holland GT20 based on its 20 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 New Holland Lawn Tractors New Holland GT20.
Estimated Continuous Field Runtime: 3.8 hrs
Approximately 3.8 hours of continuous field operation at ~75% rated power on a full tank (4 gal / 15.1 L).
Estimated 75% Load Fuel Burn~1 gal/hr (3.9 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
New Holland Lawn Tractors New Holland GT20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for New Holland Lawn Tractors New Holland GT20.
Converted Equivalents:
Horsepower (HP)20 hp
Kilowatts (kW)14.9 kW
Metric Horsepower (PS / CV)20.3 PS
Direct Competitor Comparison
Compare New Holland GT20 against same-era industry alternatives in the same horsepower class.
Current Model
New Holland Lawn Tractors
New Holland GT20
Engine Power:Gasoline (gross): 20 hp / 14.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 184 Lo-Boy
Engine Power:18
Production Years:1977 - 1980
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