Model MD21d

Model MD21d

A favourite tractor for municipal, institutional and government customers, the D21d is a premium commercial GHS mower with impressive industrial power, agility and 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.

 technical data video clips

Specifications
  • 20.9-HP, Kubota three-cylinder diesel engine, liquid-cooled
  • Electric radiator fan with reversible self-cleaning action
  • Shock-mounted instrument panel with warning lights, horn, ignition switch, water temperature gauge, voltmeter, hourmeter, and optional light switch
  • Tilt-open style body and chassis completely exposes drive train
  • 10.0 bushel catcher and 10.5” Grass Handling System (GHS) blower
  • Donaldson engine air filter with remote Enginaire™ precleaner for increased engine life
  • Dual tail wheels for enhanced maneuverability
  • Contoured seat with armrests and full adjustable suspension
  • Splined PTO drive shaft with quick-disconnect coupler
  • 10.5 kph ground speed
  • 17.8 L fuel tank
  • High capacity electrical system (40 amp charge)
Standards
  • Side discharge (SD), Mulch or grass handling system (GHS)
  • Each wheel independently driven (Hydrostatic)
  • Additional air filter system
  • Full pressure with filter
  • Parking brake
  • Speed 0–10.5 kph (infinitely variable)
  • Zero Turning Radius (ZTR)
  • Full signal audio (GHS) on catcher
  • Forward Speed Control

 Decks
 
Walker Mower Combo Deck
36" Mowing Deck (92cm)
SD/ML Combo 
Walker Mower Combo Deck
42" Mowing Deck (107 cm)
SD/ML Combo  
Walker Mower Combo Deck
 48" Mowing Deck (122 cm)
SD/ML Combo  
  
52' Belt Drive Side Discharge Deck DS52
52" Belt Drive Deck (133cm)
Side discharge only 
56' Gearbox Drive DS56
56" Gearbox Drive (92cm)
Side discharge only 
62' Belt drive Side Collection Deck  DS62
62" Belt drive Deck (158cm)
Side discharge only 
74' Belt Drive Deck DS74
74" Belt Drive Deck (188cm) Side discharge only 
  
36' Collection Deck DC36
 36" Collection Deck (92cm) Collection only 

48" Collection Deck (123cm) Collection only 
52' Collection Deck DC52r
52" Collection Deck (132cm) Collection only 
    

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42" Multi Deck (107cm)
Side discharge/ Mulch/ Collection

 Multi-DeckGHS-SD-ML-42_141.jpg

48" Multi Deck (123cm)
Side discharge/ Mulch/ Collection

  
 
 Attachments
 

Spring Tine Dethatcher:
Width: 101 cm, fits all decks from 92 – 122 cm, easily clips on deck (no tools required)

Boom Sprayer:
Spray Width: 243 cm, tank capacity: 95 ltr, includes a spray gun with a 6 meter hose (adjustable spray tip)

46" Dozer Blade: 
Features five-angle positions and a spring trip action for protection when hard objects are encountered. It has a high-strength, replaceable steel edge, and as with all Walker Mowers implements, mounting the Dozer Blade is a simple and quick process. 
48' Dozer Blade

48" Dozer Blade:
Features a five-angle positioning head and a spring-trip action for protection when hard objects are encountered. Blade comes standard with  replaceable UHMW polyethylene wear bar, with optional steel bar. Manual lifting mechanism does not require an implement hitch. The following adapter kits are required for utilizing the 48" Dozer Blade attachment. MB tractors (P/N 4300-16), MS, MC, MT, MD tractors (P/N 5628-10).

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Rotary Broom:
Width: 120 cm, the five-position angle head. Requires Implement Hitch System.

   
 
 Options
 
Comfort Seat
Comfort Seat:
A build-up seat with a steel frame, extra thick foam padding and removable covers.
Suspension Seat
Suspension Seat:
Offers full spring suspension with dampening and has adjustments for back, bottom and operator weight. 
Operator Armrests
Armrest for Operator Seat:
Extra operator comfort and security. 
 
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Headlights:
Sealed beam lights are mounted within a shock absorbing housing.  
Curb Jumper Ramp
Curb Jumper Ramp:
Ideal for gaining access to curbed areas and also serves as a footrest.
Mechanical Deck Lift

Mechanical Deck Lift:
Raises the deck to a 'transport' position or when vacuuming thick layers of leaves (36" and 42" decks only).

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Deflector: 
Allows GHS models to easily convert from grass collection to "no collection" rear discharge mowing.  

  

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Powerdump Kit:
A toggle switch provides the dumping and door opening action with a 9-10 second cycle time 

High-Dump-Kit_140w.jpg 

Electro-Hydraulic Lifting Power Dump:
The Walker Hi-Dump offers another grass handling option for model MD and MT with the 335 ltr catcher. It adds only 56kg to the tractor. Raising the catcher box in 20 seconds over 170 cm. Independent lifting and dumping. 
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Dump Bag:
Reusable fabric bag fits over the back door opening. 
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Tail Weight:
38 kg, Tail weight counterbalance is required to lift
front-mounted implements.  
    
All Terrain Tire
All Terrain Drive Tyre:
18x10.50-10
Incl. wheel spacer. Extra wide tread offers best hillside traction. Should be used with 122 cm deck or larger due to overall tread with.
 Low profile tire
Low Profile Tyre:
18x10.5-10
Incl. wheel spacer. Extra wide tyre with turf tread offers improved flotation, traction and hillside stability. Should be used with 122 cm deck or larger due to overall tread with. 

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Single Wide Back Tyre:
For cutting high in soft grass where the dual tyre track is objectionable. Does slightly increase turning resistance.

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Speed-Up Kit:
Increased maximum ground speed to
10.5 kph. 

    

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Tail Wheel Lock:
For hillside stability and straight stripes.  

   

 

NB: The information given here about our products is as accurate as we can make it at the time of writing. However, our products are constantly being refined so it remains your responsibility to check details before making any decisions based on this information.

 
 
© 2017 Walker Mowers