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Model Number 911514 911515 911516 911517
Description Name LM21S LM21SE LM21SW LM21SC
Engine Manufacture
Briggs & Stratton Briggs & Stratton Briggs & Stratton Robin
Cycles
Four Four Four Four
HP (3600RPM)
4.37 4.37 4.37 5.3
Fuel Tank Capacity - qt (L)
22 oz. (0.65) 22 oz (0.65) 22 oz (0.65) 2 (1.9)
Fuel
Unleaded Unleaded Unleaded Unleaded
Primer Bulb
Standard Standard Standard N/A
Throttle/Choke Control
N/A N/A N/A Standard
Starting
Recoil Electric/Recoil Recoil Recoil
Cylinder Bore
Aluminum Aluminum Aluminum Cast Iron Sleeve
Pressurized Oil System
Splash Splash Splash Pressurized
Governed RPM
3000+/-100 3000+/-100 3000+/-100 3000+/-100
Crank Case Capacity - oz (L)
22 (0.65) 22 (0.65) 22 (0.65) 17 (0.5)
Air Cleaner
Paper Element Paper Element Paper Element Dual Element
Engine Oil Type
SAE 30 SAE 30 SAE 30 SAE 30
Spark Plug Gap
0.03 0.03 0.03 0.03
Differential
Standard Standard N/A Standard
Variable Speeds-MPH (KPH)
0-4 (0-6.4) 0-4 (0-6.4) N/A 0-3.5 (0-5.6)
Mower Deck Gauge
14 Gauge Stamped
Steel
14 Gauge Stamped
Steel
14 Gauge Stamped
Steel
14 Gauge Stamped
Steel
Baked Powder Paint
Standard Standard Standard Standard
Cutting Width - in (cm)
21 (53.3) 21 (53.3) 21 (53.3) 21 (53.3)
Cutting Height - in (cm)
6 Positions 6 Positions 6 Positions 6 Positions
1.25-3.5 (3.2-8.9) 1.25-3.5 (3.2-8.9) 1.25-3.5 (3.2-8.9) 1.25-3.5 (3.2-8.9)
Folding Handlebar
Standard One Piece Standard One Piece Standard One Piece Standard One Piece
Adjustable Handlebar
4 Position 4 Position 4 Position 4 Position
Front Wheel Diameter - in (cm)
7.5 (19.1) 7.0 (17.8) 7.5 (19.1) 7.5 (19.1)
Rear Wheel Diameter - in (cm)
10.5 (26.7) 10.0 (25.4) 10.5 (26.7) 10.5 (26.7)
Side Discharge
Standard Standard Standard Standard
Bagger
Standard Standard Standard Standard
Mulching Capability
Standard Standard Standard Standard
Attachments (* denotes it comes with unit)
Dethatcher
71102400 71102400 N/A 71102400
Mulchmaster Package
* * * 71102700
Leaf Shredder
71102800 71102800 71102800 71102800
Side Discharge Chute
****
Rear Bagger
****
Swivel Wheel Kit
71103300 71103300 * 71103300
Rear Discharge Chute
71103200 71103200 71103200 71103200
Rear Roller Kit
71103400 71103400 71103400 71103400
Mulching Kit
71103500 71103500 71103500 71103500