Model D21d

Industrial diesel power with impressive quality and finesse

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:
Popular Add-ons:
Implement Hitch
Two-Stage Snowblower
Loader Bucket
Hi-Dump

*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.

Ready to try one for yourself?

Get a Demo

D21d Comparison


Engine	Kubota D722	Kohler ECH749	Kohler KDW1003
Fuel System	Diesel	EFI	Diesel
Cooling System	Liquid & radiator	Air	Liquid & radiator
Displacement	719 cc (43.9 cu. in.)	747 cc (45.6 cu. in.)	1028 cc (62.7 cu. in.)
Max Power	20.9 HP @ 3600 RPM	26.5 HP @ 3600 RPM	23.7 HP @ 3600 RPM
Max Torque	34 ft-lbs	40 ft-lbs	36.8 ft-lbs
Fuel Capacity	4.7 gal (17.8 liter)	4.7 gal (17.8 liter)	9.4 gal (35.6 liter) Two Independent 4.7 Gallon Tanks with Selector Valve
Grass Handling	Collection	Collection	Non-Collection
Seat	Suspension Seat	Comfort Seat	Suspension Seat
Tires	18 x 9.5-8 Turf Tire	18 x 9.50-8 (Pneumatic 4-Ply, Standard)	23 x 10.5-12 AT Tire
Weight	1,000 lbs (454 kg)^[1] 1,219 lbs (553 kg)^[2]	815 lbs (370 kg)^[1] 1034 lbs (469 kg)^[2]	997 lbs (452 kg)^[1] ^[3]
Dimensions	50 in (127 cm)" H x 49.25 in (125 cm)" W x 93 in (236 cm)" L^[2]	50 in (127 cm)" H x 49.25 in (125 cm)" W x 93 in (236 cm)" L^[2]	51.25 in (130 cm)" H x 66 in (168 cm)" W x 107.75 in (273.7 cm)" L^[3]

^[1] Tractor only. ^[2] Tractor with C48 deck. ^[3] Tractor with S60 deck. * Rops folded.

Own A D21d

Warranty

2YEARSentire tractor

3YEARSor 3000 hours on drive system*

2YEARSengine

LEARN MORE *Gear Axle Assembly, Hydrostatic Transmissions for C, D, T and Hydrostatic Transaxles for B, H, S, R and C23i

Video

Gallery

Financing Options

With financing options from both Sheffield and Yard Card, we have a program perfect for your needs. With the Sheffield program, you may be eligible for: No Monthly interest for 48 months with Equal Payments or Deferred Payments for up to 8 months. With Sheffield, You can own and operate your Walker Mower all season before making your first payment. Imagine paying off your machine in a single payment with your extra profits thanks to the Walker Productivity Advantage.

Investigate all of our retail financing offers currently available for both commercial and private customers.

Current Financing Offers

Specifications

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)

Downloads

Manuals

Released	Class	Model	Type	Model S/N Range	Manual P/N	Download
05/15/2024	Model-D	D21d	Operator's	187255 - AND ON	7000-25	PDF
03/25/2024	Model-D	D21d	Parts	187255 - AND ON	7000-24	PDF
02/06/2024	Model-D	D21d	Parts	179940 - 187254	7000-23	PDF
11/19/2022	Model-D	D21d	Operator's	170133 - 187254	7000-22	PDF
09/07/2022	Model-D	D21d	Parts	170133 - 179939	7000-21	PDF
05/10/2021	Model-D	D21d	Parts	168381 - 170132	7000-19	PDF
05/05/2021	Model-D	D21d	Operator's	168381 - 170132	7000-20	PDF
08/27/2020	Model-D	D21d	Operator's	159104 - 168380	7000-18	PDF
04/26/2019	Model-D	D21d	Operator's	154575 - 159103	7000-16	PDF
04/03/2019	Model-D	D21d	Parts	147167 - 168380	7000-17	PDF
01/15/2018	Model-D	D21d	Parts	134382 - 147166	7000-15	PDF
10/03/2017	Model-D	D21d	Operator's	134382 - 154574	7000-14	PDF
01/25/2016	Model-D	D21d	Operator's	124860 - 134381	7000-13	PDF
01/25/2016	Model-D	D21d	Parts	124860 - 134381	7000-12	PDF
06/01/2009	Model-D	MD	Parts	103914 - AND ON	7000-11	PDF
09/15/2007	Model-D	MD	Parts	92037 - 103913	7000-10	PDF
03/01/2006	Model-D	MD	Parts	79108 - 92036	7000-9	PDF
02/15/2005	Model-D	MD	Operator's	76788 - 124859	7000-8	PDF
05/01/2004	Model-D	MD	Parts	72868 - 79107	7000-7	PDF
12/01/2003	Model-D	MD	Operator's	53481 - 76787	7000-6	PDF
03/01/2003	Model-D	MD	Parts	60192 - 72867	7000-5	PDF
06/08/1999	Model-D	MD	Operator's	29676 - 53480	7000-4	PDF
01/20/1998	Model-D	MD	Parts	29676 - 60191	7000-2	PDF
03/01/1995	Model-D	MD	Operator's	16369 - 29675	7000-1	PDF
03/01/1993	Model-D	MD	Parts	11756 - 29675	7895-1	PDF
04/01/1992	Model-D	MD	Operator's	11756 - 16368	7895	PDF

Model D21d

Industrial diesel power with impressive quality and finesse

D21d Model Overview

Features

Compact

Get Into and Out of Tight Spots

Agile

Be Responsive, Be Profitable

Non-Collection

Option Available

Transmission Oil
Performance System

Enhanced drivetrain protection and performance

D21d Comparison

Own A D21d

Warranty

Video

Brief

Introduction

In-Depth

Feature: Productivity

Inside the Grass Handling System

Gallery

Financing Options

Specifications

Downloads

Manuals

Model D21d

Industrial diesel power with impressive quality and finesse

D21d Model Overview

Features

Compact

Get Into and Out of Tight Spots

Agile

Be Responsive, Be Profitable

Non-Collection

Option Available

Transmission OilPerformance System

Enhanced drivetrain protection and performance

D21d Comparison

Own A D21d

Warranty

Video

Brief

Introduction

In-Depth

Feature: Productivity

Inside the Grass Handling System

Gallery

Financing Options

Specifications

Downloads

Manuals

Transmission Oil
Performance System