Eztrak's are a residential duty Zero Turn - Ztrak's are Commercial Duty Zero Turns
The Plain Facts from Ontrac on Zero Turns

Features

Eztrak Z225

Eztrak Z425/Z445

717A/727A Ztrak

Benefits

Engines

Manufacturer

Briggs & Stratton

Briggs & Stratton / Kawasaki

Kawasaki

longer lasting better running

Cylinders

1

2

2

smoother & quieter

Oil Filter

No

Yes

Yes

longer lasting engine

Lubrication

Splash

Pressure

Pressure

precision oiling on slopes & uneven terrain

Air Filter

Yes - Dual Element

Yes - Dual Element

Yes - Heavy Duty Dual Element w/ Safety

better air filtration in tougher areas

Fuel

Fuel Tank

3.5 Gallon

3.5 Gallon

8.5 Gallon

longer run time - less down time

Electrical

Battery Cold Crank Amp

165 CC

165 CC

340 CC

more power to turn machine over

Hour Meter

Yes

Yes

Yes

service intervals

Battery Voltage

12 Volt

12 Volt

12 Volt

Drive Train

Dual Hydros

Hydro - Gear EZT w/ 1" Axles

N/A

N/A

smooth drive

Hydraulic Pumps

N/A

Kanzaki DUP-10

Kanzaki DUP-10A

dual pump single housing

Hydraulic Pump Fan

N/A

No

Yes

system runs cooler - less wear

Hydraulic Capacity

N/A

2 Gallon

2 Gallon

keeps hydraulic fluid cooler

Travel Speed

Forward

0-7 mph

0-8 mph

0-9 mph

faster

Reverse

0-3.5 mph

0-3.5mph

0-4 mph

faster

Speed & Direction Control

Twin Levers

Twin Levers

Twin Levers

precision drive

Hydraulic Filter Type

N/A

Spin-on Type

Spin-on Type

clean hydraulic system

Mower Decks

Deck Construction

Edge Cutting System

Edge Cutting System

7Iron II : One Piece Stamped Steel

industry leading commercial mowing deck

Available Widths

42"

48 / 54"

48 / 54"

quicker cutting time

Deck Thickness

12 Gauge (.105")

11Gauge(.120") / 10Gauge(.134")

7 Gauge (.177")

thicker gauge is stronger metal

Blade Tip Speed

~16,000 fpm

~16,000 fpm

18,000 fpm

faster spinning mower blades cut & discharge grass better

Mower Raise & Lower Function

Hand Lever

Hand Lever

Foot Lever

quicker response in potential scalp situation - easier

Height of Cut Range

1-4"

1-4"

1.5-4.5" / 1.5-5"

wide range of cut

Increments

.25"

.25"

.25"

more adjustment

Number of Mower Blades

2

3

3

more effective cutting edge

Mower Belt Thickness

.563"

.579"

.660"

thicker - stronger

Tires

Drive Tires

18X8.50-8

22X9.50-10

23X9.50-12

larger tires are smoother ride

Caster Tires

13X5.00-6

13X5.00-6

13X5.00-6

smooth riding large caster tires

Caster Forks

Steel

Steel

Cast Iron

stronger

Caster Bearing System

Sealed Bearing

Sealed Bearing

Roller Bearings

stronger

Double Captured Front Anti-Scalp Wheels

No

No

Yes

stronger commercial grade

Front Anti-Scalp Rollers

RH - LH

RH - LH

RH, Center, LH

more anti-scalp wheels less scalping

Rear Anti-Scalp Rollers

No

No

RH - LH

less scalping

Dimensions

Overall Length

74"

74"

75"

Overall Width - Chute Up

45

54 / 60"

54 / 60"

clearance

Overrall Width - Chute Down

53

62 / 68"

62 / 68"

clearance

Weight

550 lbs

650 / 685 lbs

1132 / 1155 lbs

heavier - stronger

Safety

Folding ROPS (Roll Over Protection System)

No

No

Yes

operator safety

Operator Comfort

Seat

15"

15 / 18"

22" Deluxe Highback

more comfortable operator less fatigue

Armrests on Seat

No

Yes

Yes

comfort