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White GT-180 vs White Z-180
Verdict: White GT-180 vs White Z-180
The White GT-180 and the White Z-180 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-180 holds more fuel (20.8 L vs 9.5 L) for longer stints between fills. White Z-180 is the newer design (1998 vs 1989). 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
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Fit & specs
White
62
Fit score
Best match
Clear
White
62
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
White (a part of MTD)Reference
White (a part of MTD)Reference
Continuously-variable belt/pulley transmission with 7 speed limit settings. Transaxle provides two geared forward ranges, plus reverse.Reference
air-cooledReference
Variants
840
similar MTD modelReference
—
GT-180
CVTReference
—
GT-185
hydrostaticReference
—
Z-180
—
air-cooled BriggsReference
Z-180L
—
liquid-cooled KawasakiReference
Engine
Fuel tank
9.5 LReference
20.8 LReference
Displacement
42.3 ciReference
—
Bore/Stroke
87 x 58 mmReference
—
Power (gross)
13.4 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Power
—
13.4 kWReference
Transmission
Transmission
MTD CruiseMaticReference
—
Gears
14 forward and 7 reverseReference
infinite forward and reverseReference
Oil capacity
0.9 LReference
—
Oil type
Shell DarinaReference
—
Oil change
sealed unit, owner service is not recommendedReference
—
PTO & Hydraulics
Type
belt-driven CVTReference
hydrostaticReference
Mid PTO
independentReference
independentReference
Clutch
electric (late)Reference
electricReference
Mid PTO Type
pulleyReference
—
Dimensions
Wheelbase
116 cmReference
—
Weight
303 kgReference
—
Front tire
16x6.5Reference
—
Rear tire
23x9.5Reference
—
Lawn/turf front
16x6.5Reference
—
Lawn/turf rear
23x9.5Reference
—
Length
177 cmReference
—
Height
99 cmReference
—
White GT-180 attachments
GT-180 Serial Numbers
1989
149-816-190 (model code)Reference
—
1990
140-846H190 (model code)Reference
—
1991
141-846H190 (model code)Reference
—
1992
142-856H190 (model code)Reference
—
1993
143U846H190 (model code)Reference
—
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Battery CCA
275Reference
—
Battery volts
12Reference
12Reference
Attachment overview
46" Mower deck
Cutting width
116 cmReference
121 cmReference
White Z-180 attachments
48" 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.