16
Brush Cutter 4500 Hydro
Petrol Engine for 85 cm
Manufacturer: ......... Briggs & Stratton
Type: ..... Vanguard OHV 16HP V-Twin
................................................ 305700
Bore: ........................................ 68 mm
Stroke: ..................................... 66 mm
Cubic capacity: ................... 480 ccm
Output: ............ 11,9 kW (16 SAE-PS)
......................................... at 3600 rpm
Max torque: ............................. 33 Nm
......................................... at 2400 rpm
Construction: ............. Fan-air-cooled
Spark ignition engine with overhead
valves, V-mounted double-cylinder and
vertically crankshaft
Spark plug: BOSCH FR8DC (706 09)
......................... CHAMPION RC12YC
Spark plug gap 0,76 mm
Ignition:
Electr. magnetic ignition, contactless
Radio remote screened ............ as per
VDE 0879
Valve clearance (engine cold):
Intake .................................... 0.05 mm
Outlet .................................... 0.10 mm
Fuel: ....................................................
Commercial .........................................
....................... unleaded regular petrol
min. octane number 85 - 91 RON
(refer to fuel recommendations)
Fuel consumption: ........... 312 g/kWh
Fuel filter: .......................... fuel-online
Air filter: .......... Dry filter element with
foamed preliminary filter
Carburettor: ....................... Horizontal
float carburettor
Rated speed: ...................... 3200 rpm
Top no-load speed: ............ 3350 rpm
Idling speed: ....................... 1750 rpm
Lubrication:
.. Pressure lubrication,full flow oil filter
Oil filter .......................... filter cartridge
Engine oil: Filling quantity approx. 1,6 l
(if changed with filter)
Multi-grade oil
at ambient temperature -15° bis +45°C:
SAE 10W-40 API-SF, SG (or higher)
Operability on Slopes:
Engine is suited for use on slopes (with
oil level at “max” = upper level mark)
possible up to
20° inclination (37%)
Noise level:
Noise level
at operator’s ear ................. L
pA
= 89 dB
accordance with EN 836 appendix B and
EN ISO 3744
Acoustic power level: ...... L
WA
= 101 dB
accordance with EN 836 and EN ISO 11201
Vibration acceleration value:
Hand-arm vibration
on handlebar: ................ a
hw
= 3,4 m/s
2
in accordance with EN 836/A2 and DIN EN
ISO 20643
2. Specifications