Walker D21d - Blade Drive; Tire Size; Tire Pressure; Drive Belts

Specications
4
MODEL D21d
TRANSMISSION (continued)
Service Brake Dynamic Braking through Hydrostatic Transmission(s)
Parking Brake Mechanical Pin Lock in Transmission Gear
Neutral Transmission Release by Manual Dump Valve
Final Drive Gear Drive Axle
Transmission Fluid
Factory Service
Alternate
Mobil Delvac 1™ Synthetic Transmission Fluid 50
Mobil 1 Synthetic Motor Oil (15W-50)
Transmission Oil Capacity  oz (L) 19 (0.56)
Transmission Cooling Cooling Fan Mounted on Drive Pulley
Ground Travel Speed
Forward MPH (km/h)
Reverse MPH (km/h)
0-7 (0-11) Innitely Variable
0-5 (0-8) Innitely Variable
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]
TIRE SIZE
Deck Caster 8 x 3.00-4 Semi-Pneumatic (Standard)
8 x 3.00-4 Pneumatic 4-Ply (Optional)
11 x 4.00-5 (Pneumatic 6-Ply, DS52, DS62, DS74 Only)
Drive 18 x 9.50-8 (Pneumatic 4-Ply, Standard)
18 x 10.50-10 (Pneumatic 4-Ply, Optional Low-Prole)
Tailwheel 13 x 4.50-6 (Pneumatic 6-Ply, Standard Dual)
13 x 8.00-6 (Pneumatic 4-Ply, Optional Single)
TIRE PRESSURE PSI (KPA)
Deck Caster Wheel* 20 (137)
Drive 15 (103)
Tailwheel 20 (137)
* If equipped with optional pneumatic tires
DRIVE BELTS
Engine PTO Walker P/N 7230
Jackshaft Drive Walker P/N 6238
Ground Drive, Micro-V Walker P/N 7248
Blower (GHS Model) Walker P/N 7234-2