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SPECIFICATIONS
Model Number 991115 991116 991117
Model Pro-Turn 148 Pro-Turn 150 Pro-Turn 160
Engine Kohler
Engine Model Number ZT730 ZT740
Engine Displacement – in
3
(cc)
46 (747)
Governed RPM (May be different from
maximum RPM)
3600 ± 100
Liquid or Air Cooled Air
Speed
Forward Maximum – mph (km/h) 10 (16.1)
Reverse Maximum – mph (km/h) 5.0 (8.0)
Turning Radius Zero
Brakes Hydro – Parking
Electrical
Starter Electric
Battery 12-Volt Maintenance-Free U1-250
Power Take-Off Electric PTO Clutch/Brake
Fuel
Fuel Type Refer to Engine Manual
Fuel Tank Capacity – gal. (L) 9.4 (35.6)
Transmission
Type Hydrostatic Drive
Transmission Oil Use 15W-50 synthetic motor oil (Gravely
p/n 00057100) or equivalent.
Hydraulic Oil Filter Yes
Size and Weight
Length – in. (cm) 78.6 (199.6)
Width (With Chute Up) – in. (cm) 50 (127) 55.5 (141) 63 (160)
Height with ROPS – in. (cm)
Extended
Folded
68.0 (172.7)
48.0 (121.9)
Weight – lbs (kg) 1016 (460.8) 1026 (465.4) 1056 (479)
Tires
Front Tire Size – in. 13 x 6.5-6
Rear Tire Size – in. 23 x 10.50-12
Front Tire Pressure – psi (kPa) 12 – 15 (83 – 103)
Rear Tire Pressure – psi (kPa) 12 – 15 (83 – 103)
Mower Deck
Mower Deck Lift Mechanical
Cutting Width – in. (cm) 48 (122) 52 (132) 60 (152.4)
Cutting Height – in. (cm) 1.5 – 5.5 (3.8 – 14)
Cutting Height Increments – in. (cm) 0.25 (0.6)