Clark C35D Specifications
The Clark C35D is a 3.5-tonne (7,716 lb) capacity,
diesel-powered, seated rider forklift, engineered for reliable performance in
demanding indoor and outdoor material handling applications. As a core model in
Clark's C-Series, this forklift is designed for intensive use in industries such
as general manufacturing, warehousing, construction, and logistics.
Powered by the durable Yanmar 4TNE94 diesel engine, it delivers responsive power
and reliable operation with excellent fuel efficiency. Its robust construction,
pneumatic tires, and wide range of lifting system options ensure productive,
safe, and efficient operation. Operator safety features, including integrated
tilt lock valves and power failure protection for the hydraulic system,
contribute to exceptional handling confidence.
The Clark C35D is a counterbalanced pneumatic tire forklift truck designed for
versatility and safety. It operates on diesel fuel and is controlled by a seated
operator. Its rated load capacity is 3500 kg (7716 lb) at a 500 mm (19.7 in)
load centre. The load distance from the drive axle centre to the fork face
measures 455 mm (17.9 in), and the truck has a wheelbase of 1700 mm (66.9 in).
The service weight of the truck when unladen is 4672 kg (10300 lb). When fully
laden, the axle loading on the front axle is 6917 kg (15249 lb) and on the rear
axle is 1220 kg (2690 lb). When unladen, these figures shift to 1724 kg (3801
lb) on the front and 3142 kg (6927 lb) on the rear.
Basic Technical Data: The Clark C35D is equipped with
Yanmar 4TNE94 four-cylinder indirect injection diesel engine. It has a total
displacement of 2.8 L (169 cu.in). The engine is rated to produce 42.9 kW (57.5
hp) at a rated speed of 2500 rpm. The engine is naturally aspirated and designed
for durability and fuel efficiency.
Lubrication and Cooling: The system is designed to support continuous operation
in demanding conditions. The engine employs a forced lubrication system with
full-flow filtration to protect internal components. Liquid cooling is
maintained by a belt-driven centrifugal water pump and a radiator designed for
efficient heat dissipation. The cooling system includes gearbox oil cooling to
maintain optimal transmission temperatures.
Transmission: The C35D is equipped with a proven
drivetrain designed for durability and smooth operation. While specific
transmission details are not fully detailed in the source material, the model
features gearbox oil cooling as standard equipment. The transmission allows for
smooth direction changes, enhancing operator efficiency and reducing fatigue.
Travel Speed: The forklift achieves a maximum travel speed of 21.1 km/h (13.1
mph) when fully laden and 21.7 km/h (13.5 mph) when unladen. The reverse speeds
are consistent with forward speeds, ensuring reliable maneuverability in both
directions.
Axles and Brakes: The truck uses a drive axle configuration with two or four
driven wheels on the front (2x2 / 4x2) depending on configuration. The service
brake system features hydraulic drum and shoe brakes, providing reliable
stopping power for both laden and unladen operations.
The electrical system operates at 12V. The system is
responsible for starting the diesel engine and powering all lights and operator
interface components. The system features moisture-resistant electrical
connectors for durability. Specific battery capacity is not detailed in the
provided source material.
The Clark C35D is fitted with pneumatic tyres, designed
for traction and comfort on various indoor and outdoor surfaces. It has four or
six wheels in total depending on configuration, with the front two or four being
the driven wheels. The front tyre size is 250 x 15 - 18PR (250 mm x 381 mm). The
rear tyre size is 6.50 x 10 - 14PR (165 mm x 254 mm). The front tread width
measures 1050 mm (41.3 in) with a variant width of 1130 mm (44.5 in). The rear
tread width is 912 mm (35.9 in). The body and frame are constructed of fully
welded heavy gauge steel for durability.
The Clark C35D features hydrostatic power steering with a robust steering system
designed for precise control. The double acting steer cylinder ensures precise
and direct steering. A priority distributor ensures steering priority in all
conditions. The mast and fork carriage can tilt forward by 8 degrees and
backward by 10 degrees to facilitate load handling and secure transport.
The hydraulic system is a core component for lift and
tilt operations. It features oil purity through hydraulic oil filtration on
every return to the tank, ensuring clean oil for all components. A large
47-liter (12.4 gal) hydraulic oil tank allows the use of numerous attachments
without compromising performance.
The system includes integrated safety features
such as power failure protection to prevent uncontrolled lowering of
loads. A high-capacity pump provides adequate oil supply for the lifting
system and hydrostatic steering. Operating pressure for attachments is
up to 140 bar (2030 psi) maximum, with a rated flow for attachments up
to 35 L/min (9.2 gpm) maximum.
The Clark C35D is equipped with lifting systems
available in Standard, Hilo, Triplex, and Quad configurations to meet various
application requirements. The masts feature excellent visibility thanks to
extra-wide profiles, narrow center cylinders, and optimized mast design. Angled
mast rollers minimize deflection when handling off-set loads. Tilt cylinders are
mounted in pendulum bearings for smooth operation and durability. An integrated
tilt lock valve prevents excessively rapid or unintentional forward tilting of
the lifting system, enhancing safety during operation. A robust 6-roller fork
carriage with hook suspension ensures durability and smooth load handling.
With the mast fully lowered, the height to the top of the mast is 2200 mm (86.6
in). The free lift, which is the height the forks can rise before the mast
itself begins to extend, is 115 mm (4.5 in). The maximum lift height for the
standard configuration is 3165 mm (124.6 in), at which point the mast extends to
a total height of 3900 mm (153.5 in) including the load backrest. The fork
carriage is DIN 15173 class II A and has a width of 1145 mm (45.1 in).
Alternative mast configurations offer lift heights up to 6000 mm (236 in) or
higher.
Load Capacity - 7,716 lb (3,500 kg)
Load Centre - 19.7 in (500 mm)
The lift speed for the 3500 kg (7716 lb) rated load is
0.50 m/s (98 ft/min) when laden and 0.63 m/s (124 ft/min) when unladen. Lowering
speed is controlled at 0.47 m/s (92.5 ft/min) for laden and 0.43 m/s (84.6
ft/min) for unladen conditions. The maximum drawbar pull, a measure of tractive
effort, is 2102 kg (4634 lb) for a laden truck and 1024 kg (2258 lb) for an
unladen truck, with variant pull of 2090 kg (4608 lb) and 1023 kg (2255 lb). The
maximum gradeability is recorded as 35%.
The overall length of the truck, including the forks,
is 3558 mm (140.1 in). The length from the front face of the backrest to the
fork face is 2770 mm (109.1 in). The overall width of the truck is 1315 mm (51.8
in) with a variant width of 1665 mm (65.6 in). The standard forks have
dimensions of 50 mm (2.0 in) thick, 122 mm (4.8 in) wide, and 1067 mm (42 in)
long.
The height of the standard overhead guard is 2165 mm (85.2 in), with a cabin
height of 2050 mm (80.7 in). The seat height is 1139 mm (44.8 in). The coupling
height for towing is 410 mm (16.1 in). Ground clearance minimum below the mast
is 170 mm (6.7 in). At the centre of the wheelbase, ground clearance is 165 mm
(6.5 in).
For maneuvering in aisles, the right-angle stacking aisle width for pallets
measuring 1000 by 1200 mm (39.4 by 47.2 in) with the 1200 mm (47.2 in) side
across the width of the truck is 3900 mm (153.5 in). For pallets 800 by 1200 mm
(31.5 by 47.2 in) with the 1200 mm (47.2 in) side along the length of the truck,
the required aisle width is 3700 mm (145.7 in). The outer turning radius is 2480
mm (97.6 in). The total operating weight of the truck is 4672 kg (10300 lb).
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