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GB - 25
SPECIFICATIONS
Model Number 911150 911152 911154
Description BR21P BR21SP BR21SPE
Length - in. (cm) 70 (177.8)
Height - in. (cm) 47 (119.4)
Width - in. (cm) 21.5 (54.6)
Actual Weight - lbs (kg) 69 (31.3) 83 (37.6) 102 (46.2)
Cutting Width- in. (cm) 21 (53.3) 21 (53.3) 21 (53.3)
Cutting Height - in. (cm) 1 – 4
(2.5 – 10.4)
1 – 4
(2.5 – 10.4)
1 – 4
(2.5 – 10.4)
Engine, 4 cycle Kohler Kohler Honda
Model Courage ZT-7 Courage ZT-7 GCV160
Engine Power - @ Max.
RPM
7.0 lbf-ft
(9.5N•m)
7.0 lbf-ft
(9.5N•m)
5.5 hp (4.1 kW)
Max Rotation Speed of
Cutting Edge - RPM
(min
-1
)
3,200 3,200 3,250
Governed RPM (May be
different from maximum
rpm.)
3,100 ± 100 3,100 ± 100 3,100 ± 150
Displacement Cu. In.
(cc)
12 (197) 12 (197) 9.8 (160)
Cylinder Bore Cast Iron Cast Iron Aluminum
Engine Oil Type See engine manual.
Crank Case Capacity -
Oz. (Liter)
20 (0.59) 20 (0.59) 20 (0.59)
Oil System Splash Splash Splash
Engine Oil Filter NA NA NA
Spark Plug Gap - in.
(mm)
See engine manual.
Fuel Type Unleaded Unleaded Unleaded
Fuel Tank Capacity - qt
(Liter)
1.6 (1.5) 1.6 (1.5) 1.2 (1.1)
Primer Bulb Standard Standard Auto-Choke
Throttle NA NA NA
Air Cleaner Paper Element Paper Element Paper Element
Starting Recoil Recoil Electric
Variable Speeds - MPH
(km/hr)
NA 0 – 4 (0 – 6.4) 0 – 4 (0 – 6.4)
Mower Deck 14 Gauge - Stamped Steel
Front Wheel Dia - in.
(cm)
8.5 (21.6) 8.5 (21.6) 8.5 (21.6)
Rear Wheel Dia - in.
(cm)
8.5 (21.6) 8.5 (21.6) 8.5 (21.6)