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4000 Series MyRIDE® HDX 60 in. (152 cm) 31 hp 999cc

4000 Series MyRIDE® HDX 60 in. (152 cm) 31 hp 999cc

4000 Series MyRIDE® HDX 60 in. (152 cm) 31 hp 999cc

Product Information

Model #: 74059
Serial #: 400000000 - 420979999
Product Type: Riding Products

Parts

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Drawing Title	Part Number	Description
Title

Caster Wheel and Fork Assembly

Caster Wheel and Fork Assembly

Caster Wheel Assembly

Caster Wheel Assembly

Decal Assembly

Deck Assembly

Deck Decal Assembly No. 163-4182SP

Deck Decal Assembly No. 163-4182SP

Deck Lift Assembly

Deck Lift Assembly

Deck Strut Assembly No. 161-6805

Deck Strut Assembly No. 161-6805

Deflector Assembly No. 144-2635

Deflector Assembly No. 144-2635

Electrical Assembly

Electrical Assembly

Engine, Clutch and Muffler Assembly

Engine, Clutch and Muffler Assembly

Frame Assembly

Fuel System Assembly

Fuel System Assembly

Fuel Tank Assembly No. 163-4138

Fuel Tank Assembly No. 163-4138

Hydro Assembly

Idler Arm Assembly No. 139-1087

Idler Arm Assembly No. 139-1087

Left and Right Control Arm Assembly

Left and Right Control Arm Assembly

LH Transaxle Assembly No. 138-6076

LH Transaxle Assembly No. 138-6076

Motion Control Assembly

Motion Control Assembly

Rear Wheel Assembly

Rear Wheel Assembly

RH Transaxle Assembly No. 138-6077

RH Transaxle Assembly No. 138-6077

Roll-Over Protection System Assembly No. 139-8063

Roll-Over Protection System Assembly No. 139-8063

Seat Assembly No. 144-2631

Seat Assembly No. 144-2631

Seat Suspension Platform Assembly

Seat Suspension Platform Assembly

Spindle Assembly No. 137-9780

Spindle Assembly No. 137-9780

Tank Retainer Assembly

Tank Retainer Assembly

Throttle, Choke Cable and Guard Assembly

Throttle, Choke Cable and Guard Assembly

Wire Harness Assembly No. 147-2363

Wire Harness Assembly No. 147-2363

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Manuals

Operator's Manual

Service Manual

Parts Catalog

Setup Instructions

Product Warranty

ACMA Declaration of Conformity

Accessories (41)

Hypr-Oil™ 500 (quart)

Hypr-Oil™ 500 (quart) (Part # 114-4713)

Hypr-oil™ 500 (quart). Toro Hypr-Oil 500 is a high-performance hydraulic fluid specifically formulated and approved by Toro engineering for use in Toro commercial zero turn mowers. It provides excellent wear and corrosion protection for hydraulic systems, helping to maintain consistent performance and extend the service life of hydraulic components. Always refer to your operator manual for the correct fluid specification and service intervals.

Hypr-Oil™ 500 (gallon)

Hypr-Oil™ 500 (gallon) (Part # 114-4714)

Toro Hypr-Oil 500 is a high-performance hydraulic fluid specifically formulated and approved by Toro engineering for use in Toro commercial zero turn and stand-on mower hydraulic systems. Maintaining the correct hydraulic fluid and changing it at the manufacturer-recommended interval is critical to protecting hydraulic pumps, wheel motors, and other hydraulic components from wear and corrosion — particularly on machines operating under commercial duty cycles. Refer to your operator manual for the correct change interval and fluid capacity for your equipment.

Genuine OEM Part 114-4715

Hypr-Oil™ 500 Hydraulic Oil (5 gallon) (Part # 114-4715)

Toro Hypr-Oil 500 is a high-performance hydraulic fluid formulated and approved by Toro engineering for commercial zero turn and stand-on mower hydraulic systems. The 5-gallon commercial bulk pack is designed for fleet operators and service shops performing multiple machine hydraulic fluid changes. Maintaining the correct hydraulic fluid on schedule protects pumps, wheel motors, and other hydraulic components from accelerated wear. Refer to your operator manual for the correct change interval and capacity for each machine. Do not mix with other hydraulic fluids.

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SPARK ARRESTOR (Part # 117-3281)

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KIT, JACK W/ADAPTER (Part # 126-7282)

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KIT, ADAPTER-JACK (Part # 126-7283)

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KIT-STRIPER 48, 52, 60, 72 (Part # 126-7882)

Riding Mower Jack Kit

Riding Mower Jack Kit (Part # 127-6666)

This genuine Toro OEM riding mower jack kit is designed to safely lift and support your Toro riding mower or zero turn, giving you safe, stable under-deck access for blade changes, belt replacements, and routine maintenance. It is one of the most practical purchase-stage accessories for any new mower owner — investing in a proper jack from day one avoids improvised lifting methods that risk injury and equipment damage. Verify your model and serial number before ordering.

Genuine OEM Part 136-8993

Shock/Spring ASM (Part # 136-8993)

Toro riding mower suspension systems are engineered with carefully selected components that work together to provide you with a smooth ride on uneven turf. The cutting deck of the mower works in conjunction with the suspension system to provide a consistent quality of cut. Verify your model and serial number to confirm compatibility before ordering.

Genuine OEM Part 139-6655

60 Inch Recycler Kit (Part # 139-6655)

Recycler Kit, when installed on compatible 42 in. deck Toro zero turn riding mowers, gives it the capability to mulch grass by cutting it multiple times turning it into fine clipping pieces. Verify your model and serial number to confirm compatibility before ordering.

Genuine OEM Part 140-1240

20.5 Inch Hi-Flow Blade (Part # 140-1240)

This Toro OEM 20.5-inch Hi-Flow replacement mower blade is designed to produce high lift, cutting grass cleanly and propelling clippings upward and out through the discharge chute. Hi-Flow blades — also referred to as basic, standard, or 2-in-1 blades — are the preferred choice when using a grass catcher or bagger, as the increased airflow drives clippings efficiently into the collection bag. This blade is compatible with multiple Toro riding lawn mowers models — always verify your model and serial number before ordering to confirm the correct fit.

Genuine OEM Part 140-1241

20.5 Inch Atomic Blade (Part # 140-1241)

This Toro OEM 20.5-inch Atomic replacement blade — commonly known as a Gator-style blade — features a serrated cutting edge with raised teeth that shred grass clippings into much finer pieces than a standard mulching blade. The serrated design re-cuts clippings multiple times on every pass, delivering the highest mulching quality available and a consistently crisp, clean cut even in dense or damp grass. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4853

20.50 Inch Medium Flow Blade (Part # 140-4853)

This Toro OEM 20.5-inch Mid Flow replacement mower blade is engineered to provide a balance between the high suction of Hi-Flow blades and the minimal airflow of Low Flow blades. Mid Flow blades have a slight upward angle on the cutting edges, producing moderate lift while requiring less horsepower than Hi-Flow blades — making them a versatile option for varied terrain and grass conditions. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4854

20.50 Inch Low Flow Blade (Part # 140-4854)

This Toro OEM 20.5-inch Low Flow replacement mower blade features a slightly curved tip design that keeps airflow to a minimum during operation. Low Flow blades are the right choice for mowing in sandy, dusty, or dry conditions where high suction would stir up excessive debris — they also cause less strain on the engine than Hi-Flow blades, making them a practical option when horsepower is a consideration. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4855

20.5 Inch Recycler Blade (Part # 140-4855)

This Toro OEM 20.5-inch Recycler replacement mower blade is built to work within Toro's Recycler mulching system, featuring uniquely shaped 'accelerator' wings that act as a fan to keep clippings circulating beneath the deck. As clippings are forced back into the cutting zone, they are re-cut multiple times into fine pieces that fall back into the lawn and break down into natural fertilizer — feeding the grass and reducing the need to bag or rake. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4877

Hi-Flow20.5 Inch Blade Pack (6) (Part # 140-4877)

This Toro OEM 20.5-inch Hi-Flow replacement mower blade — sold as a pack of 6 is designed to produce high lift, cutting grass cleanly and propelling clippings upward and out through the discharge chute. Hi-Flow blades — also referred to as basic, standard, or 2-in-1 blades — are the preferred choice when using a grass catcher or bagger, as the increased airflow drives clippings efficiently into the collection bag. This blade is compatible with multiple Toro riding lawn mowers models — always verify your model and serial number before ordering to confirm the correct fit.

Genuine OEM Part 140-4853

Mid Flow 20.5 Inch Blade Pack (6) (Part # 140-4878)

This Toro OEM 20.5-inch Mid Flow replacement mower blade — sold as a pack of 6 is engineered to provide a balance between the high suction of Hi-Flow blades and the minimal airflow of Low Flow blades. Mid Flow blades have a slight upward angle on the cutting edges, producing moderate lift while requiring less horsepower than Hi-Flow blades — making them a versatile option for varied terrain and grass conditions. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4854

Low Flow 20.5 Inch Blade Pack (6) (Part # 140-4879)

This Toro OEM 20.5-inch Low Flow replacement mower blade — sold as a pack of 6 features a slightly curved tip design that keeps airflow to a minimum during operation. Low Flow blades are the right choice for mowing in sandy, dusty, or dry conditions where high suction would stir up excessive debris — they also cause less strain on the engine than Hi-Flow blades, making them a practical option when horsepower is a consideration. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-1241

Atomic 20.5 Inch Blade Pack (6) (Part # 140-4880)

This Toro OEM 20.5-inch Atomic replacement blade — commonly known as a Gator-style blade — features a serrated cutting edge with raised teeth that shred grass clippings into much finer pieces than a standard mulching blade. The serrated design re-cuts clippings multiple times on every pass, delivering the highest mulching quality available and a consistently crisp, clean cut even in dense or damp grass. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

Genuine OEM Part 140-4855

Recycler 20.5 Inch Blade Pack (6) (Part # 140-4881)

This Toro OEM 20.5-inch Recycler replacement mower blade — sold as a pack of 6 is built to work within Toro's Recycler mulching system, featuring uniquely shaped 'accelerator' wings that act as a fan to keep clippings circulating beneath the deck. As clippings are forced back into the cutting zone, they are re-cut multiple times into fine pieces that fall back into the lawn and break down into natural fertilizer — feeding the grass and reducing the need to bag or rake. Compatible with multiple Toro riding lawn mowers models — verify your model and serial number before ordering.

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TRIMMER MOUNT [4000] (Part # 144-2665)

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JACK MOUNT KIT (Part # 144-2676)

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HARDTOP SUN CANOPY (ARTICULATING) (Part # 144-3719)

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60" CHUTE GATE KIT [4000] (Part # 144-6572)

Genuine OEM Part 145-1919

Semi Pneumatic Assembly 15 x 6.50-6 (Part # 145-1919)

This genuine Toro OEM 15 x 6.50-6 semi-pneumatic wheel assembly is a direct replacement for compatible Toro riding mowers and zero turn mowers. Semi-pneumatic wheels have a foam-filled or solid tire that provides ride quality similar to a pneumatic tire without the risk of puncture or pressure maintenance. Replace when the existing wheel is cracked, warped, or showing structural damage. Verify your model and serial number before ordering.

Genuine OEM Part 145-3615

Handle Extension Kit (Part # 145-3615)

Genuine OEM Part

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KIT-SLOPE SENSOR [2000, 4000] (Part # 145-8442)

Genuine OEM Part 139-7891

MICHELIN® X® TWEEL® Turf Airless Radial Tires (26") (Part # 147-4600)

The MICHELIN® X® TWEEL® Turf Airless Radial Tires are the next “revolution” in commercial mowing has arrived. The MICHELIN X TWEEL Turf Airless Radial Tire has all the qualities you would want in a pneumatic tire but it never needs air. The MICHELIN X TWEEL Turf airless radial tire is a single-unit assembly that replaces a conventional tire and wheel, eliminating the need for air pressure entirely — which means no flats, no downtime, and no patch kits. The wear life of a TWEEL tire is significantly longer than a comparable pneumatic tire, reducing the frequency of replacement and total cost of ownership over time. Verify your model and serial number to confirm the correct size before ordering.

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BLADE-20.50 HIGH FLOW [.250] (Part # 147-6252)

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6 PACK-BLADE, 20.50 HIGH FLOW [.250] (Part # 147-6256)

MICHELIN® X® TWEEL® Turf Airless Caster Wheels (15") (Part # 147-6337)

The MICHELIN® X® TWEEL® Turf Caster Wheel is the next “revolution” in commercial mowing. The MICHELIN X TWEEL Turf Caster Wheel has all the qualities you would want in a pneumatic tire but it never needs air. No more flats, downtime, patch kits or replacement tires. And in the area of wear and tear, this “tire” has a wear life that is three times that of a pneumatic.

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KIT-BUCKET MOUNT (Part # 147-6345)

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KIT-UNIVERSAL MOUNT (Part # 147-6346)

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KIT-2IN RECIEVER HITCH (Part # 161-2810)

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KIT-FUEL PICKUP W/SCREEN (Part # 161-6806)

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REAR WEIGHT KIT [ZM2, ZM4] (Part # 163-7435)

BAGGER KIT, Z MASTER 2000 / 4000 (Part # 78439)

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4000 Series E-Z Vac Blower & Drive Kit for 60" Deck (Part # 78466)

4000 Series E-Z Vac Blower & Drive Kit for 60" Deck - use with 4000 Series Twin Soft Bagger 48 - 60" Deck (#78463)

4000 HDX 60IN EZ VAC DFS BAGGER (Part # 78468)

4000 HDX 60IN EZ VAC TRIPLE SOFT BAGG (Part # 78479)

Blower and Drive Kit, 60in E-Z Vac for Z Master G3 Mower (Part # 78553)

Product Details

Model #

74059

Serial #

400000000 - 420979999

Product Name

4000 Series MyRIDE® HDX 60 in. (152 cm) 31 hp 999cc

Product Brand

Toro

Product Type

Riding Products

Product Series

Zero Radius Turn, Commercial 4000 Series