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ENGINE    
Type/Horsepower/Cylinders
 
Kubota, 21 hp, 3-cyl.
Displacement
 
44 cu. in. (722 cc)
Lubrication System
 
Pressure Lube/Filter
Crankshaft
 
Horizontal
Cooling System
 
Liquid
Fuel
 
Diesel - No. 2
Fuel Capacity
 
12 U.S. Gal. (45.4 l)
Optional Fuel Capacity
 
NA
Air Cleaner
 
Heavy-duty, cyclonic, remote mounted, with replaceable element.
Muffler
 
Ultra quiet, single, industrial type.
DURAMAX® DECKS    
DECK
 
DuraMax
Mulching Package #
 
504557(48), 504567 (52)
DURAMAX®; DECK SIZE
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
*
 
– 52" Deck
*
 
– 61" Deck
NA
 
– 72" Deck
NA
CUTTING HEIGHT RANGE
 
1.0 to 5.0 in. (2.5cm to 12.7 cm)
CONSTRUCTION (Robotic-welded steel)
 
Formed double thickness hardened steel (0.269 in. > heavier than 3 gauge) truss spindle plane and (3) Sentry™ spindles with 8-inch spindle flanges, with 6-bolt pattern and a triple-strength upper deck, over 1/2 inch thick in stress zones for superior strength. Geometrically engineered design with 7 gauge skirts withstands the brunt of commercial mowing.
BLADES (Tempered, alloy steel)
– 41" Deck
 
– 44" Deck
NA
 
– 48" Deck
(2) 18 in. (45.7 cm)
(1) 15 in. (38.1 cm)
 
– 52" Deck
(3) 18 in. (45.7 cm)
 
– 61" Deck
NA
 
– 72" Deck
NA
SPINDLE ASSEMBLIES
 
2.5 cm (approx. 1 in.) O.D. shaft. Double bearings greasable from top of deck. Spindle head designed to eliminate fiber wrap. Spindle cones shield housing and lower bearings from grass wrap and dirt ingestion.
SPINDLE HOUSINGS
 
Machined aluminum housing.
BLADE DRIVE
 
Belt drive with single Kevlar V-belt and idler arm tensioning.
TRIMABILITY (Outside of std. tire to left trim side)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
NA
 
– 52" Deck
NA
 
– 61" Deck
NA
 
– 72" Deck
NA
STARTER & ELECTRICAL SYSTEM    
Battery (maintenance-free)
 
12 Volt
Starter
 
Solenoid shift
Ignition
 
Diesel quick heat glow plug
Interlock System
 
Prevents engine start when PTO clutch is engaged or steering levers are in drive position. Allows operator dismount without engine shutdown only when PTO is disengaged and steering levers are locked in neutral.
ULTIMATE OPERATOR STATION    
Seat
 
Iso-mounted, high-back, deep-cushioned, foam-padded. Cordura-covered, padded arms/backrest with lumbar support and coil-spring suspension. Optional Cordura-covered, sliding adjustable-tension suspension seat.
Suspension
 
InFrame™ suspension
Console-mounted Instruments
 
Oil, alternator, temperature and parking brake warning lights, engine temperature and volt gauges, glow plug, ignition and push/pull PTO switches.
Work Lights
 
Optional
Hour Meter
 
Standard
TRANSMISSION & STEERING    
Type
 
Design-matched G2 hydrostatic system, HydroGear variable displacement piston-type pumps and Parker high-torque wheel motors.
Filtration
 
7 micron absolute, spin-on
Speed
 
(48) 0 - 9.0 mph (0 - 14.5 kph) forward
(52) 0 - 10.0 mph (0 - 16.1 kph) forward
0 - 6.0 mph (0 - 9.7 kph) reverse
Turning Radius
 
True zero degree, turns within own length with counter-rotating, independently powered drive wheels.
Steering
 
One- or two-hand operation with adjustable HydraSmooth™ dual levers that automatically return to neutral from either forward or reverse position.
Brakes
 
Dynamic braking through hydrostatic transmission.
Parking Brake
 
Disc brake, one for each drive wheel.
Attachment Drive
 
NA
TIRE SIZES    
MidMount
 
 
Drive Wheels - Standard (4-ply rated)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
23x9.5x12 turf
 
– 52" Deck
23x10.50x12 turf
 
– 61" Deck
NA
 
– 72" Deck
NA
Drive Wheels – Optional (4-ply rated)
 
NA
Front Wheels – All Models
 
13x6.50x6 rib tread, tubeless
FrontMount
 
 
Drive Wheels – Standard (4-ply rated)
 
NA
Drive Wheels – Optional (4-ply rated)
 
NA
Single Tail Wheel
 
NA
Wide Stance Single Fork Tail Wheel
 
NA
Deck Tires (4-ply rated)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
NA
 
– 52" Deck
NA
 
– 61" Deck
NA
 
– 72" Deck
NA
DIMENSIONS    
Height (Seat Back)
 
46.5 in. (118.1 cm)
Height (Seat Cushion)
 
31.0 in. (78.7 cm)
Height (ROPS)
 
69.0 in. (175.3 cm)
Length (MidMount or FrontMount w/ DuraMax Deck)
– 41" Deck
NA
(Deck in Mowing Position)
– 44" Deck
NA
– 48" Deck
80.0 in. (203.2 cm)
 
– 52" Deck
80.0 in. (203.2 cm)
 
– 61" Deck
NA
 
– 72" Deck
NA
Length (FrontMount Power Unit + DuraMax Deck)
– 44" Deck
NA
(Deck Raised - Flipped)
– 48" Deck
NA
 
– 52" Deck
NA
 
– 61" Deck
NA
 
– 72" Deck
NA
Deck Width (Side Discharge)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
61.5 in. (156.2 cm)
 
– 52" Deck
65.5 in. (166.4 cm)
 
– 61" Deck
NA
 
– 72" Deck
NA
Deck Width (Mulch*)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
49.5 in.* (125.7 cm)
 
– 52" Deck
53.5 in.* (135.9 cm)
 
– 61" Deck
NA
 
– 72" Deck
NA
FrontMount PowerUnit Only (Width/Length)
 
NA
FrontMount Power Unit (Wheelbase)
 
NA
WEIGHT - MidMount or FrontMount with DuraMax
 
(Uncrated)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
1210 lbs. (548.8 kg)
 
– 52" Deck
1230 lbs. (557.9 kg)
 
– 61" Deck
NA
 
– 72" Deck
NA
FrontMount Power Unit Only (uncrated)
 
NA
FrontMount Deck Only - Side Discharge (uncrated)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
NA
 
– 52" Deck
NA
 
– 61" Deck
NA
 
– 72" Deck
NA
Mulching Package
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
25 lbs. (11.3 kg)
 
– 52" Deck
29 lbs. (13.2 kg)
 
– 61" Deck
NA
 
– 72" Deck
NA
* Add 1.5 in. (3.8 cm) to width for side discharge with deflector raised.

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