GB - 28
SPECIFICATIONS
Model Number 911525 911531 911532 911533 911534
Description LM21SW LM21S LM21 LM21S LM21SW
Length - in. (cm) 61.5 (156)
Height - in. (cm) 38 (96.5)
Width - in. (cm) 23 (58.4)
Actual Weight - lbs (kg) 105 (45.7) 93.2 (42.3) 93 (42.2) 109 (49.4) 125 (56.7)
Cutting Width- in. (cm) 21 (53.3)
Cutting Height - in. (cm) 6 Positions: 1.00 - 3.25 (2.5 - 8.3)
Engine, 4 cycle Briggs &
Stratton
Intek
Briggs &
Stratton
Quantum
Kawasaki
Model 126602 123K02 FJ180V
Trim 0146E1 0120E1 AA20
Engine Power - HP (kW) @
Max. RPM
6.75 (5.03) 6.5 (4.8) 6.0 (4.47)
Max Rotation Speed of
Cutting Edge - RPM (min
-1
)
2900 2900 3,350
Governed RPM (May be
different from maximum
rpm.)
2800 ±100 2800 ±100 3,250 ± 100
Displacement Cu. In. (cc)
11.57 (190) 12 (197) 10.9 (179)
Cylinder Bore Aluminum
Engine Oil Type See Engine Manual
Crank Case Capacity - Oz.
(Liter)
20 (0.59) 23.7 (0.7)
Oil System Splash Forced/
Splash
Engine Oil Filter N/A
Spark Plug Gap - in. (mm) 0.020
(0.51)
0.030
(0.76)
0.030 (0.76)
Fuel Type Unleaded
Fuel Tank Capacity - qt
(Liter)
1.6 (1.5) 2.11 (2)
Primer Bulb Standard
Throttle N/A
Air Cleaner Paper
Element
Paper
Element
Paper Element with Foam
Starting Recoil
Differential Standard
Variable Speeds - MPH
(km/hr)
0-4 (0-6.4)
Mower Deck 14 Gauge - Stamped Steel
Front Wheel Dia - in. (cm) 7.5 (19.1)
Rear Wheel Dia - in. (cm) 10.5 (26.7)