Compare/White Yard Boss GT-1855 vs White Z-180L

White Yard Boss GT-1855 vs White Z-180L

Verdict: White Yard Boss GT-1855 vs White Z-180L

The White Yard Boss GT-1855 and the White Z-180L are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. White Z-180L holds more fuel (20.8 L vs 13.2 L) for longer stints between fills. White Z-180L is the newer design (1998 vs 1980). 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

White

Fit score

Best match

Clear

White

Fit score

Best match

Clear

Rated power

18 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

White (a part of MTD)Reference

Eaton hydrostatic unit with Peerless 2500 two-speed transaxle.Reference

liquid-cooledReference

Variants

995

similar MTD modelReference

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Z-180

—

air-cooled BriggsReference

Z-180L

—

liquid-cooled KawasakiReference

Engine

Fuel tank

13.2 LReference

20.8 LReference

Displacement

34.75 ciReference

—

Bore/Stroke

72 x 70 mmReference

—

Power (gross)

13.4 kWReference

—

Air cleaner

dryReference

—

Rated RPM

3500Reference

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Starter

electricReference

Starter volts

12Reference

Power

—

13.4 kWReference

Transmission

Eaton M11Reference

—

Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

Oil change

100 hReference

—

PTO & Hydraulics

Rear Type

0Reference

—

Front PTO

independentReference

—

Clutch

manualReference

electricReference

Front PTO Type

2000Reference

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Mid PTO

—

independentReference

Dimensions

Wheelbase

134 cmReference

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Weight

77 kgReference

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Front tire

18x6.50Reference

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Rear tire

27x9.50-15Reference

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Lawn/turf front

18x6.50Reference

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Lawn/turf rear

27x9.50-15Reference

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Length

190 cmReference

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Height (steering wheel)

111 cmReference

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Shipping weight

415 kgReference

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Ground clearance

22 cmReference

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Clearance (rear axle)

2 cmReference

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White GT-1855 attachments

GT-1855 Serial Numbers

1980

140-995-190 (model code)Reference

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1981

----Reference

—

1982

----Reference

—

1983

----Reference

—

1984

144-995-190 (model code)Reference

—

1985

145-995-190 (model code)Reference

—

1986

146-995-190 (model code)Reference

—

1987

147-996-190 (model code)Reference

—

1988

148-996-190 (model code)Reference

—

1989

---Reference

—

1990

---Reference

—

1991

---Reference

—

1992

142-996-190 (model code)Reference

—

1993

143-998-190 (model code)Reference

—

1994

144-998-190 (model code)Reference

—

1995

145-998-190 (model code)Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Battery CCA

240Reference

—

Battery volts

12Reference

Attachment overview

50" Mower deck

Type

shaft-driven hydrostaticReference

hydrostaticReference

Cutting width

127 cmReference

137 cmReference

Drive

shaftReference

—

Kwik-Way Backhoe

Backhoe type

Kwik-Way BackhoeReference

—

Transport height

170 cmReference

—

Bucket width

40 cmReference

—

2-Foot flat digging depth

218 cmReference

—

Loading height

152 cmReference

—

Bucket Rotation

140°Reference

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Swing Arc

160°Reference

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White Z-180L attachments

54" Mower deck

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.