Dixon ZTR 503, Operator'S Manual

Page 5 

SPECIFICATIONS

Chassis: 11 GA - rectangular tube.

Body:   Two piece - made of DR acrylic reinforced with fiberglass, color fast, 

scratch and impact resistant. Front body contains access panels for battery 

service and engine to mower deck belt removal. Rear body tilts up to allow 

service on the entire drive system.

Seat:   Economically designed for operator comfort by use of high density

closed cell foam, contoured back rest and arm rests. Seat is adjustable 

fore and aft.

Mower Deck:  12 GA stamped steel construction, (3) blades, 50" cut vidth, cut height 

1" to 4" via 7 position lift handle. Self cleaning design, smoothly 

curved front, aides discharge of grass.

Blade Drive: Warner electric clutch.

Drive System: Each rear wheel is independently driven by a Sundstrand BDU-10L 

Series 70 hydrostatic transmission, which is powered by a 

permanently lubricated Peerless gearbox. The hydrostatic trans-

missions, in turn, power a fully enclosed Agri-Fab gearbox. The 

gears in the Agri-Fab gearbox are permanently lubricated using a 

special grease which completely eliminates the need for any type of 

maintenance.

The Sundstrand BDU-10L Series 70 hydrostatic transmissions are 

serviced with any high quality (10W-30) motor oil. The oil is 

filtered by a (10) micron oil filter. Recommended service interval 

for both oil and filter is after the first (150) hours of 

operation, then after every (400) hours of operation, unless the 

system has been contaminated by dirt or other foreign debris.

Engine;  20 HP Onan Twin Cylinder with cast iron cylinders, pressure lubrication and 

vacuum powered pulsating diaphragm fuel pump.

Starting System: Electric by key switch operation with safety interlocks on

parking brake and blade drive clutch.

Tires:    Front 11 x 4.10 x 5, smooth thread. 

Rear  20 x 10 x 8, turf savers.

Capacities:  Fuel - 4.8 gallons total (dual tanks) with fuel gauges.

Hydrostat oil tank - 3 quart with inline (10) micron filter. 

Hydrostat oil recommendation - name brand SAE (10W-30) motor oil.

Dimensions:    Width - 60"  

Height - 45"  

Length - 72"  

Weight - 630 Ibs.

NOTE:   Additional Information provided 1n strvlci Instructions under<the 

Individual component.

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.