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SPECIFICATIONS
Model Number
991158
991159
991161
991163
Description
Zenith 60
Apex 52
Apex 48
Apex 60
Engine
Kawasaki FX 730V
Kawasaki
FR
Kohler 7000
Pro
Kawasaki
FR
Engine Displacement –
cm
3
(in
3
)
726 (44.3)
725.0 (44.2)
726 (44.3)
Maximum RPM – No Load
3600 ± 100
3600 ± 75
3600 ± 100
Oil Capacity
Refer to engine manual.
Liquid or Air Cooled
Air
Transmission
Type
Hydrostatic Drive
Oil
15W-50 synthetic motor oil (Gravely p/n
00057100) or equivalent
Hydraulic Oil Filter
Yes
Drive
Forward Maximum – km/h
(mph)
12.9 (8)
Reverse Maximum – km/h
(mph)
6.4 (4)
Turning Radius
Zero
Brakes
Parking
Electrical
Starter
Electric
Battery
300 CCA (U1
Replaceable)
12 Volt 12A-190 CCA (U1 Replaceable)
PTO (Power Take-off)
Electric PTO Clutch / Brake
Fuel
Fuel Tank Capacity – Liter
(gal)
19.3 (5.1)
Type
See Engine Manual
Size and Weight
Length – cm (in)
200.7 (79)
Width – cm (in)
190.5 (75)
170.2 (67)
160 (63)
190.5 (75)
Height – cm (in)
• with ROPS extended
• with ROPS folded
184.2 (72.5)
124.5 (49.0)
119.4 (47)
N/A
N/A
Weight – kg (lbs)
408.2 (900)
385.6 (850)
374.2 (825)
394.6 (870)
Tires
Front Tire Size – in
13 x 6.5-6
Rear Tire Size – in
22 x 12-12
22 x 10.5-12
22 x 10-12
22 x 12-12
Recommended Front Tire
Pressure – kPa (psi)
137.9 – 172.4 (20 – 25)
Recommended Rear Tire
Pressure – kPa (psi)
103.4 – 124.1 (15 – 18)
Mower Deck
Cutting Height – cm (in)
3.8 – 12.7 (1.5 – 5.0)
Cutting Height Increments
0.635 (0.25)
Cutting Width – cm (in)
152.4 (60)
132.1 (52)
121.9 (48)
152.4 (60)
Mower Deck Lift
Mechanical Pin Lock