Walker Model D21d

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D21d Model Overview

The D21d is a premium commercial GHS mower with impressive industrial power and agile, premium-quality mowing. Featuring the Kubota D722 liquid cooled, diesel engine, and a standard Grammer suspension seat, the D21d is designed for all day comfort and long machine life.

Type: Collection
Power: 20.9 HP
Engine: Kubota Diesel
Ideal Application:
Commercial, Municipal and Institutional Properties
Key Attributes: Efficient, High Torque, Versatile
Standard Options: 18 x 9.5-8 Turf Tire, Suspension Seat
Decks: 7 Collection, 7 Discharge, 5 Mulching
Popular Add-ons:
Implement Hitch
Loader Bucket

*Click to display California pricing. Models may be shown with optional equipment. Applicable freight, set-up and taxes not included. Options and accessories extra. Prices subject to change without notice. MSRP shown in US dollar are for domestic use only. See local dealer for complete pricing and available offers.

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Description

Specs

Engine

Manufacturer: Kubota

Model: D722

Displacement: 719 cc (43.9 cu. in.)

Max Power: 20.9 HP @ 3600 RPM

Max Torque: 34 ft-lbs

Cooling System: Liquid & radiator

Cooling Fan: Electric radiator cooling fan with reversible self-cleaning action

Fuel: Diesel (2-D)

Fuel Capacity: 4.7 gal (17.8 liter)

Electrical

Battery: 12 Volt, 41AH, 340 CCA (Interstate U1-SP40)

Charging System: 40 Amp Automotive Alternator

Charging Output: 40 Amp DC (Regulated)

Transmission

Manufacturer/Model: Dual Hydrostatic Eaton Model 7 transmission with ductile cast iron final drive, Each Wheel Independently Driven

Steering: Hand Lever Control, Individual Wheel

Forward Speed Control: Precision Friction Lock Lever, Cruise Control, with Neutral-Park Position

Parking Brake: Mechanical Pin Lock in Transmission Gear

Forward MPH (km/h): 0-6.5 MPH (0-10.5 km/h) Infinitely Variable

Neutral: Transmission Release by Manual Dump Valve

Blade Drive

PTO Shaft: Quick Disconnect Splined Shaft with Two (2) High-Speed U-Joints

Blade Drive Clutch and Brake: Manual Belt Tightener Clutch and Band Brake [Stops Blades within Five (5) Seconds of Disengagement]

Grass Handling

Blower: 10.5 in. Diameter, Three-Blade Paddle Wheel

Max. Blower RPM: 4000 RPM

Grass Catcher Capacity: 93 Gal / 10.0 Bu / 352 L

Full Signal: Grass-Pak^® full signal alerts operator when catcher box is full

Powerfil^®: Oscillating Delivery Spout Driven by 12 Volt Electric Gearmotor Spreads Material throughout Interior of Catcher @ 35 Cycles/Min

Deck

Recommended Cut Width: Collection: 36 to 52 in. (91 to 132 cm), Side Discharge 36 to 74 in. (91 to 188 cm) Mulch 36 to 52 in. (91 to 132 cm)

Cutting Height: 1 to 4 in (2.5 to 10 cm) or 1.5 to 4.5 in (4 to 11.5 cm) (DS52 and DS62 Belt Driven SD Decks Only)

Deck Suspension: Independent Torsion-Flex Frame with Caster Wheels and Counterweight Springs

Tires

Drive: 18 x 9.50-8 (Pneumatic 4-Ply, Standard)

Tailwheel: 13 x 5.00-6 (pneumatic 4-ply, standard dual) 13 x 8.00-6 (pneumatic 4-ply, optional single)

Deck Caster: 8 x 3.00-4 Foamed Rubber, All decks except DS52, DS62, DS74 8 x 3.00-4 Pneumatic 4-Ply (Optional)

Size & Weight

LENGTH

Tractor Only: 64.5 in (164 cm)
Tractor with C48 deck: 93 in (236 cm)
Tractor with deck tilted: 77 in (196 cm)
Tractor wheel base: 42.25 in (107 cm)

WIDTH

Tractor Only (Outside Tire): 39 in (99 cm)
Tractor with C48 deck: 49.25 in (125 cm)

HEIGHT

Tractor: 50 in (127 cm)

WEIGHT

Tractor Only: 1,000 lbs (454 kg)
Tractor with C48 deck: 1,219 lbs (553 kg)