Specifications; Specifications - Gravely Pro 150 Owner's/Operator's Manual

Walk-behind mower power unit
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Model Number
Description
Length – in (cm)
Height – in (cm)
Width – in (cm)
Actual Weight – lbs (kg)
Battery
Brakes
Turning Radius – in (cm)
Tire Size
Engine – Manufacturer
Cycle
Horsepower – HP(KW)
Starting System
Fuel Tank Capacity
Fuel
Governed R.P.M. (max.)
Crank Case Cap.
Air Cleaner
Transmission
Speed– Forward Max.
– Reverse Max.
Tire Pressure
Mower
Weight – lbs (kg)
Length – in (cm)
Height – in (cm)
Width – in (cm)
Width of Cut – in (cm)
Max. Rotation Speed of Cutting Edge
Oper. Ear Sound Pressure (L
Sound Power (L
) dB
wa
A
VIBRATION MEASURE (m/s
@ Operator hands

SPECIFICATIONS

988088
232 (105.5)
N/A
Kawasaki
14 HP
Recoil
888301
186 (84.4)
42.75 (108.6)
13.5 (34.3)
44.4 (112.8)
36 (91.4)
-1
3505 min
) dB
86
pa
A
100
2
)
X axis
<3.0
Y axis
3.4
Z axis
<2.5
988091
988092
PRO 150
38.3 (97.3)
39.0 (99.1)
32.8 (83.3)
240 (109.1)
12V 13A
6" Band
0
13x6.50-6, 4 Ply Rating
Briggs & Stratton
4
12.5 HP
Electric
4.5 gal U.S. (17.1 L)
See Engine Manual
3300
See Engine Manual
Paper Element, Foam Precleaner
Peerless 5 Speed + Reverse
0 – 5.2 MPH (0 – 8.4 km/hr)
0 – 3 MPH (0 – 4.9 km/hr)
12 – 15 PSI (83 - 103 kPa)
GB - 19
988309
232 (105.5)
N/A
Kawasaki
FC420V-ES15
16
10.9 HP
(8.1 KW @ 2900 min
Recoil
2950
-1
)

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Questions and answers

Richard Hart Jr
March 29, 2025

Mower cranking while holding the key when turn key loose engine stops

1 comments:
Mr. Anderson
March 30, 2025

The Gravely Pro 150 mower engine stops when the key is released likely because the presence control switch is not functioning correctly. This switch is designed to shut off the engine when the hand grips are released. If it is faulty or not engaged properly, it will interrupt the engine operation when the key is no longer held.

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