National Mower 68 DL Lawn Mower User Manual


 
68OM-06/03
52
SPECIFICATIONS
Overall Length.............................................................................................. 79.13" (201 cm)
Width, Wing Mowers Folded .......................................................................... 61.8" (157 cm)
Width, Wing Mowers Down ............................................................................... 76" (193 cm)
Height............................................................................................................ 39.37"(100 cm)
Weight (empty)............................................................................................ 659 lbs. (299 kg)
Engine Type .............................. Forced Air Cooled, 4-cycle, Horizontal Shaft, OHV Engine
Number Of Cylinders ...................................................................................................... One
Piston Displacement .............................................................................. 13.1 cu. in. (215 cc)
Maximum Horsepower .................. 7.5 hp (5.6 kW)) / 3600 rpm (Corrected per SAE J1349)
Direction Of Rotation............................... Counterclockwise, facing the power take-off shaft
Maximum Speed ........................................................................................... 3600 ±100 rpm
Fuel ............................................................................................ Unleaded Gasoline (Petrol)
Fuel Tank Capacity ............................................................................... 4.80 US qt (4.5 liter)
Maximum Fuel Consumption ............................................................ 0.68 gal/hr (2.4 liter/hr)
Oil ........................................................................................................... SAE 30 Engine Oil
Oil Capacity .............................................................................................30 fl. oz. (0.90 liter)
Carburetor ............................................................................. Float Type with Fixed Main Jet
Starter (68 SR) ....................................Recoil Starter with Automatic Compression Release
Starter (68 DL) ................................................................. Electric Starter and Recoil Starter
Lubrication Type ......................................................................................................... Splash
Air Cleaner ....................................................................................................... Dual Element
Muffler ........................................................................................................... Low Tone Type
Alternator ................................................................................................... 12v 10 A (68 DL)
Net Weight (Engine)..................................................................................... 47 lbs (21.4 kg)
Average Measured Sound Power .............................................................................. 99 dBA
Guaranteed Sound Power ....................................................................................... 105 dBA
Average Measured Sound Pressure, at operator position......................................... 87 dBA
Hand-Arm Vibration level ............................................................................ 3.79 m/sec
2
rms
Whole Body Vibration level ......................................................................... 0.86 m/sec
2
rms
MOWER DIMENSIONS & WEIGHT
ENGINE – BRIGGS & STRATTON 138400 SERIES
SOUND & VIBRATION LEVELS