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NATIONAL 68" SR & DL TRIPLEX – CE
®
5
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)......................................................................................... 639.5 lbs. (290 kg)
Engine Type .............................. Forced Air Cooled, 4-cycle, Horizontal Shaft, OHV Engine
Number Of Cylinders ...................................................................................................... One
Bore and Stroke .......................................................................... 2.99" x 2.17" (76 x 55 mm)
Piston Displacement .................................................................................................... 215cc
Maximum Horsepower .................. 7.5 hp (5.6 kW)) / 3600 rpm (Corrected per SAE J1349)
Maximum Torque ............................................................ 12.5 ft/lbs (16.5 N-m) at 2500 rpm
Direction Of Rotation............................................ Counterclockwise Facing The PTO Shaft
Fast Idle Speed .......................................................................................................4000 rpm
Slow Idle Speed ......................................................................................................1750 rpm
Fuel ............................................................................................ Unleaded Gasoline (Petrol)
Fuel Tank Capacity .................................................................................... 4.80 US qt (4.54)
Minimum Specific Fuel Consumption Ratio ...............................240 gr/hp-hr (322 gr/kW-hr)
Oil ................................................................................................... Engine Oil SAE 10W-30
Oil Capacity .................................................................................................. 1.90 US pt (.90)
Carburetor ............................................................................. Float Type with Fixed Main Jet
Balancing ......................................................................................... Reciprocating Balancer
Ignition .......................................................................... Flywheel Magneto, Transistor Type
Spark Plug ...................................................................................................... Resistor Type
Starter .................................................Recoil Starter with Automatic Compression Release
Governor ............................................................................................................. Mechanical
Lubrication Type .......................................................... Splash with Low Oil Shut-off System
Air Cleaner ....................................................................................................... Dual Element
Muffler ........................................................................................................... Low Tone Type
Lighting Coil ......................................................................................................... 12 V–25 W
Charging Coil ................................................................................................................. 10 A
Net Weight (Engine).................................................................................. 59.1 lbs (26.8 kg)
Dimensions (L x W x H) ........................... 13.5" x 15.6" x 17.0" (344.5 x 395.5 x 432.5 mm)
Gasoline (Petrol), Lead Free ....................................................................................... 54104
Engine Oil .................................................................................................................... 54112
Fiberglass Parts ........................................................................................................... 57103
Tires ............................................................................................................................. 57502
Gear Oil ........................................................................................................................54112
Grease ......................................................................................................................... 54202
Plastic Tanks ................................................................................................................ 57127
Sound*: Operator Position ...................................................................................... 86 dBA
Sound Power Level (LwA) ........................................................................ 99 dBA
Vibration*: Maximum Vibration 16.1 m/s
2
RMS
Location ................................................................................................ Left Hand
*Operating Condition: Engine rpm–3400, Unit Stationary
DIMENSIONS & WEIGHT– MOWER
ENGINE – BRIGGS & STRATTON
DISPOSAL NUMBERS
NOISE EMISSION AND VIBRATION