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Model Number 911079 911080 911081 911082
Description Name DLM21S DLM21SW SLM21 SLM21S
Engine Manufacture Tecumseh Tecumseh Tecumseh Tecumseh
Cycles Four Four Four Four
HP (3600RPM) 6.0 6.0 5.0 5.5
Fuel Tank Capacity - qt (L) 1.5 (1.4) 1.5 (1.4) 1.5 (1.4) 1.5 (1.4)
Fuel Unleaded Unleaded Unleaded Unleaded
Primer Bulb Standard Standard Standard Standard
Throttle/Choke Control N/AN/AN/AN/A
Starting Recoil Recoil Recoil Recoil
Cylinder Bore Aluminum Aluminum Aluminum Aluminum
Pressurized Oil System Standard Standard Standard Standard
Governed RPM 2800+/-200 2800+/-200 3150+/-200 3150+/-200
Crank Case Capacity - oz (L) 27 (0.8) 27 (0.8) 27 (0.8) 27 (0.8)
Air Cleaner Paper Element Paper Element Paper Element Paper 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 16 Gauge Stamped
Steel 16 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 N/A N/A
Bagger Standard Standard Standard Standard
Mulching Capability Standard Standard Standard With Kit
Attachments (* denotes it comes with unit)
Dethatcher 71102400 N/A N/A 71102400
Mulchmaster Package ****
Leaf Shredder 71102800 71102800 71102800 71102800
Side Discharge Chute **N/AN/A
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