GB-9
RANSOMES SMALL PEDESTRIAN RANGE
SAFETY, OPERATORS, MAINTENANCE AND PARTS MANUAL
4
SPECIFICATIONS
4.1
ENGINE SPECIFICATION
All 51 and 61 Machines:
TYPE:
Honda 2.9kW (4HP)/ 3600 RPM,
single cylinder, air cooled 4
stroke OHV petrol engine 25°
inclined cylinder, horizontal
shaft.
Model:
GX120 K1-QX4
Maximum Speed: 2700 ± 50 RPM (No load).
Idle Speed:
1400 + 200 -150 RPM
Oil Sump Capacity: 0.6 litres (1 Imp Pints)
(0.63 US qts)
Fuel:
Lead free petrol
Fuel tank capacity: 2.5 litres (4.4 imp pints)
(2.6 US quarts)
4.2
MACHINE SPECIFICATION
Frame construction:
Pressed Steel welded
fabrication.
Transmission:
By heavy roller chains.
Clutches:
Transmission clutch.
Separate cylinder clutch.
Separate landroll clutch
Front roll
Super Certes/Bowl:One piece steel roll running on
ball bearings.
Marquis:
Four piece wood roll.
Landroll
Super Certes:
Two piece Aluminium with bevel
gear differential.
Super Bowl:
Two piece smooth cast iron with
bevel gear differential.
Marquis:
Two piece ridged cast iron with
bevel gear differential.
Cutting cylinder
Super Certes/Bowl: All welded 10 knife cylinder
running on ball bearings.
Marquis 51:
All welded 6 knife cylinder
running on ball bearings.
Marquis 61:
All welded 5 knife cylinder
running on ball bearings.
Cutting ratio
Marquis:
51cm: 85 cuts / metre (78 cuts/
yd).
61cm: 71cuts / metre (65 cuts/
yd).
Super Bowl:
142 cuts / metre (130 cuts/yd).
Super Certes:
138cuts / metre (126 cuts/yd).
Height of cut
Marquis:
6- 27mm (1/4 - 1 1/16in.)
Super Certes/
Super Bowl:
3- 13mm (1/8 - 1/2in.)
Handles:
Tubular steel adjustable at
bottom.
Grass box:
Moulded polyethelene.
Cutting width:
51cm (20in.)
61cm (24in.)
Cutting performance
51cm machine: 1110 sq. m./hr
(1330 sq. yd./ hr)
61cm machine: 1660 sq. m./hr
(1920 sq. yd./hr)
Ground pressure
51cm: 0.28 kg./cm
2
(4lb./in
2
)
61cm: 0.32 kg./cm
2
(4.5lb./in
2
)
Summary of Contents for 51 Super Certes
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