On Sale

4000 Series HDX Pro 52 in. (132 cm) 31 hp 999cc

  • Model: 74010
  • UPC/EAN: 21038740102
See All Items in Z Master® 4000 HDX Pro Series

For a limited time only

$12,299.00 USD

$13,299.00 USD

Please contact your local dealer

Also available at select retailers:

  • Go full throttle and have confidence in the precise cut from our TURBO FORCE® deck with I-beam front end paired with tubular chassis and bumper.
  • Easy on and off with a step-through front end, deck step plate, and anti-slip floormat.
  • Keep your phone and drink at arm's reach.
  • Keep tabs on time and keep devices powered up with the hour meter and USB ports.
  • Horizon360® Business Management Software. Work More Efficiently. Run More Profitably.

Free Shipping

Expert Setup & Delivery

Cannot ship to the following states: AK, HI

Ground Shipping Only


The Z-Master 4000 HDX Pro has been engineered to last and built to reign. Redefine durability with a powerful 31 hp* Kawasaki FX921V engine, heavy-duty commercial grade hydros, flat-free semi-pneumatic caster tires, 24 in. Turf Tires, and a 52 in. 7-Gauge High-Strength Steel TURBO FORCE® cutting deck. Add in the hour meter, USB ports, phone holder, and a cup holder, you’ll have everything you need from the comfort of the deluxe suspension seat to help you power through long days.


Up to 12 MPH
Up to 12 MPH
Get more done with ground speeds up to 12 MPH without reducing cut quality.
TURBO FORCE® Cutting Deck
TURBO FORCE® Cutting Deck
Enjoy years of reliable performance with a fully tubular frame and 7-gauge steel deck.
Rubber Discharge Chute
Rubber Discharge Chute
Trim close without damaging landscape structures or your chute.
Deck Step Plate
Deck Step Plate
Keep your grip and remove excess mud from your shoes with a deck step plate.
Step-Through Front End
Step-Through Front End
Getting on and off the mower to pick up yard debris and other obstacles is a breeze with a step-through front end.
Clear Sightline to Rear Tires
Clear Sightline to Rear Tires
Clear sightline to rear tires for enhanced control so you can clear a path without tire spin.
Dual Capture Anti-Scallop Rollers
Dual Capture Anti-Scallop Rollers
Intelligently engineered dual capture anti-scalp rollers ensure the highest quality of cut in the harshest terrain you can throw at it.
Phone and Cup Holder
Phone and Cup Holder
Keep your phone and drink at arm's reach with built-in phone and cup holders.
USB Ports
USB Ports
USB ports to help you stay charged on the job.
24" Turf Tread Drive Tires
Tread softly on turf with 24" Turf Tires.
Horizon360 system used by contractor
Horizon360® Business Management Software.
Managing and growing your business is hard work. Using a business management software system shouldn't make it harder. That is why we built Horizon360. If you can type and point/click a mouse, you have all the skills required.

For more information click here.


Air Filter Heavy-Duty Donaldson® Canister-Style Air Cleaner
Blade Tip Speed 18,500 ft/min / 5,638 m/min
Blades 0.204 in. (0.5 cm) heat-treated steel
Box Dimensions 91 in. x 70 in. x 52.5 in. / 231.1 cm x 316.2 cm x 133.4 cm
CARB Compliant Not CARB Compliant
Caster Tires 13 in. x 6.5 in. - 6 in. (33 cm x 16.5 cm - 15.2 cm) Pneumatic
Clutch Electromagnetic
Cutting Width 52 in / 132 cm
Deck Design 52" (132.1 cm) 7-Gauge High-Strength Steel TURBO FORCE®
Deck Material 7 Gauge High-Strength Steel
Discharge Chute Rubber
Drive Tires Turf Tires 24 in. x 10.5 in. - 12 in. (61 cm x 26.7 cm - 30.5 cm)
Engine 31 hp* Kawasaki FX921V (999 cc) with Heavy-Duty Donaldson® Canister-Style Air Cleaner
Engine Brand Kawasaki
Engine Displacement (cc) 999 cc
Engine Horsepower 31.0 hp
Foot Operated Height of Cut Standard
Forward Ground/Transport Speed Up to 12.0 mph / 19.3 kph
Fuel Capacity 10.5 gal. / 39.7 L / 42 Qt.
Fuel Type Gasoline
Height of Cut 1.5 - 5.5 in. / 3.8 - 14.0 cm
Hour Meter Standard Hour Meter
Lighting Optional
Product Features Deluxe Seat, Electric Start, Foot Operated Height of Cut, Gas Powered
Product Type Zero Turn Mowers
Roll-Over Protection (ROPS) Folding; Standard
Seat Handcrafted Deluxe Suspension Seat with Arm Rests
Spindle Bearings Maintenance-free
Spindle Housing 9 in / 2.9 cm Diameter Aluminum
Start Type Electric
Steering Controls 1.4" (3.6 cm) Diameter Grips; Adjustable, Dampened
Transmission ZT-4400 Integrated Pumps and Wheel Motors


*The gross horsepower of these engines was laboratory rated at 3,600 RPM by the engine manufacturer in accordance with SAE J1940 and SAE J1995. As configured to meet safety, emission and operating requirements, the actual engine horsepower on this mower may be significantly different.
**See your retailer for warranty details.


Hypr-Oil™ 500 (quart)
Hypr-Oil™ 500 (quart) (Part # 114-4713)
Hypr-Oil™ 500 (gallon)
Hypr-Oil™ 500 (gallon) (Part # 114-4714)
Genuine OEM Part 114-4715
Hypr-Oil™ 500 Hydraulic Oil (5 gallon) (Part # 114-4715)
Please contact your local dealer
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SPARK ARRESTOR (Part # 117-3281)
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Riding Mower Jack Kit
Riding Mower Jack Kit (Part # 127-6666)
Please contact your local dealer
Genuine OEM Part 139-3649
Toro Titan Turf Tweel (Part # 139-3649)
Genuine OEM Part 139-6653
52 Inch Recycler Kit (Part # 139-6653)
Genuine OEM Part 140-1242
18 Inch Hi-Flow Blade (Part # 140-1242)
Genuine OEM Part 140-4856
18 Inch Medium Flow Mower Blade (Part # 140-4856)
Genuine OEM Part 140-4857
18 Inch Low Flow Mower Blade (Part # 140-4857)
Genuine OEM Part 140-4858
18 Inch Atomic Blade (Part # 140-4858)
Genuine OEM Part 140-4859
18 Inch Recycler Blade (Part # 140-4859)
Genuine OEM Part 140-1242
Hi-Flow 18 Inch Blade Pack (6) (Part # 140-4882)
Genuine OEM Part 140-4856
Mid Flow 18 Inch Blade Pack (6) (Part # 140-4883)
Genuine OEM Part 140-4857
Low Flow 18 Inch Blade Pack (6) (Part # 140-4884)
Atomic 18 Inch Blade Pack (6)
Atomic 18 Inch Blade Pack (6) (Part # 140-4885)
Genuine OEM Part 140-4886
Recycler 18 Inch Blade Pack (6) (Part # 140-4886)
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Genuine OEM Part 145-3615
Handle Extension Kit (Part # 145-3615)
Please contact your local dealer
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Please contact your local dealer
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KIT-ACTUATOR REPLACEMENT,412200557 BE (Part # 161-3549)
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KIT-ELEC DECK LIFT, SN 412200557 BELO (Part # 161-3550)
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BAGGER KIT, Z MASTER 2000 / 4000 (Part # 78439)
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Z 4000 52IN COMPLETION KIT (Part # 78465)



5-Year / 1500 Hour; 2-Year No Hour Limit

**See dealer for Warranty details.

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