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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

 
D21d Video Play Button
 

 

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Key Attributes

Key Attributes - Compact

Compact

Get Into and Out of Tight Spots

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Key Attributes - Agile

Agile

Be Responsive, Be Profitable

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Key Attributes - Non-Collection

Non-Collection

Option Available

kohler-oil-bottles-filter-set-GRAY

Transmission Oil
Performance System

Enhanced drivetrain protection and performance

D21d Comparison

 

  D21d T27i H24d
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) 22 x 10.5-12 Turf Tire
Weight 959 lbs (435 kg)[1]
1178 lbs (534 kg)[2]
787 lbs (357 kg)[1]
1006 lbs (457 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] 36.625 in (93 cm)" H x 66 in (168 cm)" W x 107 in (272 cm)" L[3]

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

Own A D21d

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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

Video

 

Brief

 

Introduction

 

In-Depth

 

Feature: Productivity

 

Inside the Grass Handling System

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: 959 lbs (435 kg)
  • Tractor with C48 deck: 1178 lbs (534 kg)

Downloads

Manuals

Released Class Model Type Model S/N Range Manual P/N Download
04/26/2019 Model-D D21d Operator's 154575 - 159103 7000-16 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
04/03/2019 Model-D D21d Parts 147167 - 168380 7000-17 PDF
08/27/2020 Model-D D21d Operator's 159104 - 168380 7000-18 PDF
05/05/2021 Model-D D21d Operator's 168381 - AND ON 7000-20 PDF
05/10/2021 Model-D D21d Parts 168381 - AND ON 7000-19 PDF