Compare/John Deere 420 vs John Deere D110

John Deere 420 vs John Deere D110

Verdict: John Deere 420 vs John Deere D110

The John Deere 420 and the John Deere D110 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. John Deere D110 is the lighter machine (204 kg vs 450 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 420 holds more fuel (24.6 L vs 7.9 L) for longer stints between fills. John Deere D110 is the newer design (2011 vs 1983). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

20 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Image courtesy of Terry RussellReference

Automatic transmission with right-side accelerator and decelerator/reverse foot pedals. Left-side brake pedal. Cruise control is standard equipment.Reference

Original price

$7,700 (1992 )Reference

$1,699 (2011)Reference

Differential lock

mechanical rearReference

—

Engine

Fuel tank

24.6 LReference

9.1 LReference

Displacement

47.7 ciReference

30.5 ciReference

Bore/Stroke

83 x 73 mmReference

91 x 78 mmReference

Power (gross)

14.9 kWReference

14.5 kWReference

Air cleaner

foam and paperReference

cartridgeReference

Compression

7.0:1Reference

—

Rated RPM

3600Reference

—

Idle RPM

1000-3450Reference

—

Starter volts

12Reference

Oil capacity

7.1 LReference

1.4 LReference

Power

14.9 kWReference

—

Sparkplug

Champion RS14YCReference

—

Starter

—

electricReference

Sparkplug gap

—

0.762 mmReference

Point gap

—

0.305 mmReference

Intake valve clearance

—

0.102 mmReference

Exhaust valve clearance

—

0.152 mmReference

Transmission

ThrottleReference

—

Forward/reverseReference

—

Left brakeReference

—

Right brakeReference

—

Range shiftReference

—

Differential lockReference

—

Transmission

Sundstrand Series 15 Model 90Reference

Tuff Torq T40Reference

Type

shaft-driven hydrostaticReference

belt-driven hydrostaticReference

Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

Oil type

JD Hy-GardReference

—

PTO & Hydraulics

Rear Type

0Reference

—

Control

directional controlReference

—

Rear lift

290 kgReference

—

Rear PTO

independentReference

—

Clutch

electricReference

—

Rear PTO Type

2000Reference

—

Front PTO

independentReference

—

Front PTO Type

pulleyReference

—

Mid PTO

—

manual independentReference

Dimensions

Wheelbase

132 cmReference

124 cmReference

Weight

450 kgReference

204 kgReference

Front tire

18x8.50-8Reference

15x6.00-6Reference

Rear tire

26x12.00-12Reference

20x8.0-8Reference

Ag front

4.80x4.00-8Reference

—

Ag rear

23x10.50-12Reference

—

Lawn/turf front

18x8.50-8Reference

15x6.00-6Reference

Lawn/turf rear

26x12.00-12Reference

20x8.0-8Reference

Length

195 cmReference

174 cmReference

Width

130 cmReference

131 cmReference

Height

120 cmReference

107 cmReference

Front tread

91 cmReference

—

Rear tread

81/98 cmReference

—

Shipping

450 kgReference

—

Max front axle

480 kgReference

—

Max rear axle

816 kgReference

—

John Deere 420 attachments

420 Serial Number Location

420 Serial Numbers

1983

M00420X222001Reference

—

1984

M00420X285001Reference

—

1985

M00420X315001Reference

—

1986

M00420X360001Reference

—

1987

M00420X420001Reference

—

1988

M00420X475001Reference

—

1989

M00420X595001Reference

—

1990

M00420X010001Reference

—

1991

M00420X100001Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

20Reference

9Reference

Battery volts

12Reference

Battery Group

BCI 22FReference

U1Reference

Attachment overview

John Deere D110 attachments

D110 Serial Numbers

Location:

—

Serial number on rear of tractor, left side, under fender.Reference

42" Mower deck

Cutting width

—

106 cmReference

Overall width

—

132 cmReference

Cut height

—

2 to 10 cmReference

Cut positions

—

13Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.