New Holland G4020

The New Holland G4020 is a tractor produced by New Holland Lawn Tractors. It is equipped with a 596 cc 36.4 ci engine. The listed engine power is Gasoline (listed): 21 hp / 15.7 kW. Transmission: infinite forward and reverse. Operating weight: 552 lbs 250 kg.

Engine Power

Gasoline (listed): 21 hp / 15.7 kW

Fuel & Capacities

3 gal 11.4 L

Transmission

infinite forward and reverse

Operating Weight

552 lbs 250 kg

Overview

	2008 - 2009 G4000 SeriesZero-turn mower G4000 Series Zero-turn mower

Production
Manufacturer	New Holland
Zero-turn mower

New Holland G4020 Engine
21HP Kohler 596cc 1-cyl gasoline
Fuel tank	3 gal 11.4 L
Engine details ...

New Holland G4020 Transmission
hydrostatic
Transmission details ...

Mechanical
Two-wheel drive
Power steering
Open operator station

Power Take-off (PTO)
Mid PTO	independent
Clutch	electric

Dimensions & Tires
Wheelbase	48.1 inches 122 cm
Weight	552 lbs 250 kg
Front tire	10x4
Rear tire	18x9.58
Full dimensions and tires ...

Electrical
Ground	negative
Charging amps	15
Battery volts	12

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	21 hp 15.7 kW
Starter	electric
Starter volts	12

Transmission

Transmission — infinite forward and reverse hydrostatic

Type	hydrostatic
Gears	infinite forward and reverse

Dimensions

New Holland G4020 Tires
Lawn/turf front	10x4
Lawn/turf rear	18x9.58

Dimensions
Wheelbase	48.1 inches 122 cm
Length	73.1 inches 185 cm
Height	40.2 inches 102 cm
Weight	552 lbs 250 kg

Attachments

50" Mower deck
Type	mid-mount New Holland
	3-blade
Cutting width	50 inches 127 cm
Overall width	63 inches 160 cm

Photos

New Holland G4020 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for New Holland Lawn Tractors New Holland G4020 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 New Holland Lawn Tractors New Holland G4020.

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

New Holland Lawn Tractors New Holland G4020 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for New Holland Lawn Tractors New Holland G4020.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)21 hp

Kilowatts (kW)15.7 kW

Metric Horsepower (PS / CV)21.3 PS

Direct Competitor Comparison

Compare New Holland G4020 against same-era industry alternatives in the same horsepower class.

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