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ENGINE    
Type/Horsepower/Cylinders
 
Briggs & Stratton Professional Series, 26 hp, V-Twin
Displacement
 
49.4 cu. in. (810 cc)
Lubrication System
 
Pressure Lube/Filter
Crankshaft
 
Vertical
Cooling System
 
Air
Fuel
 
Gasoline - unleaded
Fuel Capacity
 
12 U.S. Gal. (45.4 l)
Optional Fuel Capacity
 
NA
Air Cleaner
 
Dry element with pre-cleaner
Muffler
 
Ultra quiet, single, industrial type.
DURAMAX® DECKS    
DECK
 
*
Mulching Package #
 
504551(48), 504567(52), 504569(61)
DURAMAX®; DECK SIZE
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
*
 
– 52" Deck
*
 
– 61" Deck
*
 
– 72" Deck
NA
CUTTING HEIGHT RANGE
 
1.0 to 5.0 in. (2.5cm to 12.7 cm)
CONSTRUCTION (Robotic-welded steel)
 
Double-layered, 10-guage plus 7-guage formed-steel laminate spindle plane – 30% thicker then 1/4-in. ( 7.97 mm ) – and (3) Sentry™ spindles with 8-inch spindle flanges,with 6-bolt pattern. Geometrically engineered design with 7-gauge skirts withstands the brunt of commercial mowing.
BLADES (Tempered, alloy steel)
– 41" Deck
NA
 
– 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
(3) 21 in. (53.3 cm)
 
– 72" Deck
NA
SPINDLE ASSEMBLIES
 
2.5 cm (approx. 1 in.) O.D. shaft. Sentry™ spindle system to eliminate fiber wrap. Double bearings, non-greasable.
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
 
Breakerless
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
 
Spring suspension contoured cushion with foldable armrests.
Suspension
 
Roomy footrest with Shock Impact Reduction System (SIRS™).
Console-mounted Instruments
 
Hour meter, parking brake indicator light, ignition switch, choke and push/pull PTO switch.
Work Lights
 
Optional, plug-in ready
Hour Meter
 
Standard
TRANSMISSION & STEERING    
Type
 
Design-matched H1 hydrostatic transmission system with inline cooling fans, hydro fluid reservoir, Parker variable displacement piston-type pumps and Parker high-torque wheel moters.
Filtration
 
7 micron absolute, spin-on
Speed
 
0 - 9.0 mph (0 - 14.5 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
23x10.50x12 turf (*24x12.00x12 turf available as option)
 
– 72" Deck
NA
Drive Wheels – Optional (4-ply rated)
 
NA
Front Wheels – All Models
 
13x6.50x6 rib tread, tubeless with double-sealed bearings.
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)
 
45.0 in. (114.3 cm)
Height (Seat Cushion)
 
30.5 in. (77.5 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
76.5 in. (194.3 cm)
 
– 52" Deck
76.5 in. (194.3 cm)
 
– 61" Deck
79.0 in. (200.7 cm)
 
– 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
74.5 in. (189.2 cm)
 
– 72" Deck
NA
Deck Width (Mulch*)
– 41" Deck
NA
 
– 44" Deck
NA
 
– 48" Deck
NA
 
– 52" Deck
53.5 in.* (135.8 cm)
 
– 61" Deck
62.5 in.* (158.8 cm)
 
– 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
NA
 
– 52" Deck
980 lbs. (444.5 kg)
 
– 61" Deck
1050 lbs. (476.3 kg)
 
– 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
NA
 
– 52" Deck
29 lbs. (13.2 kg)
 
– 61" Deck
36 lbs. (16.3 kg)
 
– 72" Deck
NA
* Add 1.5 in. (3.8 cm) to width for side discharge with deflector raised.

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