Sharp AR-250 Service Manual download pdf (Page 18)

16

AR 250

TRACTOR

Overall Features

– Heavy duty formed steel chassis with box

section frame rails

– Hand throttle

– Single foot pedal operating infinitely variable

hydrostatic transmission

– Gauges - Fuel, coolant temperature, running

time

Engine

– 4-cylinder, liquid-cooled Kubota diesel

– Power - 38 hp ( 28 kW) at 3000 rpm

– Displacement: 91.44 cu in (1498 cc)

Drive

– Full-time 4-wheel drive

– Direct coupled Sundstrand M35 wheel

motors

– 29 cu in front; 21 cu in rear

– Direct coupled variable displacement pump

Fuel System

– Diesel #2 for warm weather. For cold

weather operation (below 20

o

F), diesel #1 or

a winterized blend of #1 and #2 are

preferrable to reduce paraffin-like components

that can turn into flakes and clog the fuel system.

– Capacity: 12 gal (46 L)

Brakes

– Hydrostatic braking

– Parking brake - foot operated

– 10.25" x 1.75" (260 mm x 45 mm) band

brakes at front wheels.

Tires

– Front - 26.5 x 14.00-12 4-ply turf tread

– Rear - 20 x 10.00-8 4-ply turf tread

– Ground pressure 9 psi

– Recommended tire pressure - 9 psi

Steering

– Hydrostatic power steering

– Adjustable tilt wheel

Seat

– High back, vinyl covered

– Suspension - Can be varied to adjust for

operator's weight

– 5" (127 mm) front-to-rear adjustment

Speeds

– Cutting - 7.5 mph (12 km/h)

– Transport - 8.5 mph (16 km/h)

– Reverse - 4 mph (6.4 km/h)

Dimensions

– Cutting width - 98" (2.5 m)

– Overall width - 104" (2.6 m)

– Transport width - 84" (2.1 m)

– Overall length - 122" (3.1 m)

– Overall height - 56" (1.4 m)

Weight - 2800 lb

Hydraulics

– Filter - 10 micron

– Diagnostic hydraulic test ports

– Capacity - 8.3 gal (32 L)

– MegaTuff™ hydraulic hoses

– Turf Protector™ fluid; 10W30 optional

CUTTING UNITS

General

– Five 22" (559 mm) rotary decks supported by

equal ratio lift arms

– Drive - fixed displacement hydraulic motors

directly coupled to cutting units.

– Control - Cutting unit lift lever with automatic

shutoff and safety interlock restart.

– Construction - Heavy-duty, welded pressed

steel

– Suspension - Steerable floating head

– Cutting blades:Envirodecks-Patent-pending

twin blades. Side Discharge-High Lift blades

– Lower blade - 22" (559 mm)

– Upper blade - 21.5" (546 mm)

(Envirodecks only)

– Height of cut - Adjustable in .25" (6 mm)

increments; no tool required

– Rear roller - 4" (102 mm) diameter; smooth

roller standard

SPECIFICATIONS

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