Clark S25CL Specifications
The Clark S25CL is an LPG-powered, counterbalanced
forklift truck produced from approximately 2018 through 2025. This rider-seated
model is engineered for demanding indoor and outdoor material handling tasks
requiring a rated load capacity of 5000 lb. The machine is powered by the Ford
2.5L engine, a four-cylinder LPG unit with dual overhead cam design, variable
valve timing, sequential multi-port fuel injection, and timing chain-driven
camshafts. The S-SERIES represents the next phase of lift truck design with
innovative product development including safety features and Clark's
industry-leading design standards.
The forklift includes force-cooled wet disc brakes, a fully welded heavy gauge
frame, nested I-beam upright, 6-roller carriage, external side-thrust rollers,
proven steer axles, and advanced cooling systems. An interactive dash provides
built-in reporting of truck and operator performance via optional telemetry,
engine/powertrain protection, integrated systematic service tools, and on-board
reporting of operator controlled functions. Available attachments include four
function hydraulics with quick disconnects and side shifters.
The Clark S25CL is a four-wheeled forklift with a load capacity of 5000 lb or
2500 kg at a 24 in or 500 mm load centre. Its design prioritises stability and
manoeuvrability in demanding environments. The machine is fitted with cushion
tyres as standard, suitable for indoor use on smooth surfaces. The transmission
type is Powershift with one forward and one reverse gear. The service weight of
the machine is 8380 lb or 3801 kg. Weight distribution with full load places
11383 lb or 5370 kg on the front axle and 1997 lb or 932 kg on the rear axle.
Without load, weight distribution shifts to 2822 lb or 1280 kg on the front axle
and 5558 lb or 2521 kg on the rear axle. The body and frame are constructed from
fully welded heavy gauge steel. Some sources indicate that certain S25CL models
are designated as LPS type, which includes additional safeguards to the exhaust,
fuel, and electrical systems for use in locations where a standard LP unit does
not have enough protections against fire risk.
Basic Technical Data: The forklift is powered by the
Ford 2.5L engine, a four-cylinder LPG unit with dual overhead cam design. With a
displacement of 152 cu.in or 2488 cc, this engine produces 69.7 hp or 52 kW of
power at a rated speed of 2500 rpm. Some sources indicate a rated output of 58
hp, which may represent a different measurement standard or engine
configuration. The engine features variable valve timing, sequential multi-port
fuel injection, timing chain-driven camshafts, and automatic belt tensioners.
The engine meets Tier-4 emission standards. The liquid fuel tank capacity is
15.9 US gal.
Lubrication: The engine lubrication system is a forced-feed type, employing a
gear pump to circulate oil throughout the engine block and cylinder head,
ensuring all moving components are adequately lubricated for reduced friction
and prolonged engine life. The system includes a full-flow oil filter to remove
contaminants.
Cooling: Engine temperature is regulated by a proven liquid cooling system. This
system comprises a radiator, a water pump, a thermostat, and a cooling fan. The
water pump circulates coolant through the engine jackets to absorb heat, which
is then dissipated as it passes through the radiator core. Inspection reports
indicate that radiators are present and operational on examined units.
Transmission: The Clark S25CL is equipped with a
Powershift transmission featuring one forward and one reverse gear. This
transmission allows for smooth direction changes without the need for a clutch
pedal, reducing operator fatigue during frequent shuttling. Drivetrain
operational checks confirm that transmissions are operational on inspected
units.
Travel Speed: The forklift achieves a laden travel speed of 11.2 mph or 18.1
km/h and an unladen speed of 11.5 mph or 18.5 km/h. Some sources indicate travel speed of 11 mph with load.
Axles: The front axle is a rigid, drive axle that carries the majority of the
load, while the rear axle is a steer axle with proven design. The rear axle is
designed to oscillate, allowing all wheels to maintain ground contact on uneven
surfaces, which is crucial for stability. The wheelbase measures 56.3 in or 1430
mm, though some sources indicate 58 in
wheelbase. The tread width is 34.8 in or 884 mm for the front and 35.2 in or 895
mm for the rear.
Brakes: The service brake system is force-cooled wet disc brakes, providing
reliable and controlled stopping power. This system uses hydraulic pressure to
apply the brakes, offering a consistent pedal feel and effective deceleration.
The parking brake is mechanical, hand-operated, engaging mechanically to secure
the machine when parked. Brake system function checks confirm that the brake
system stops and holds the machine.
The electrical system operates on a 12 V architecture.
It includes a battery with battery disconnect switch in dash. The system
encompasses a starter, an alternator to charge the battery while the engine
runs, and a comprehensive wiring harness connecting all electrical components.
The interactive dash includes built-in reporting of truck and operator
performance via optional telemetry, engine/powertrain protection, integrated
systematic service tools, and on-board reporting of operator controlled
functions. Gauges and warning lights are operational on inspected units.
Exterior lights are operational on well-maintained units. A travel alarm is
standard equipment.
Wheel Drive: The Clark S25CL features a 2-wheel drive
configuration, with the front wheels providing the tractive effort (2x driven
wheels).
Wheels: The forklift uses a 2x/2 wheel configuration, meaning two wheels on the
front axle and two on the rear. The front wheels are the driven wheels. The
machine features a fully welded heavy gauge frame for enhanced durability.
Tires: This model is fitted with cushion tyres as standard. The tyre size for
the front is 21x7, and for the rear, it is 16x5-10.5. Non-marking tires are
available as an option. These tyres provide smooth operation for indoor
applications.
The steering system is hydraulic power steering, making manoeuvring the truck
effortless for the operator. The steering system includes synchronized steering
and a steering wheel with knob for enhanced control. The steer axle is a proven
design with proven components.
The hydraulic system is designed for efficient lifting
and tilting operations with nested I-beam upright, 6-roller carriage, and
external side-thrust rollers. It operates at an auxiliary function pressure
relief of 2275 psi. The system pump delivers a rated
flow of 21 gpm maximum for auxiliary functions.
This system powers the lift cylinders for raising the mast and the tilt
cylinders for mast forward and backward movement. Four function hydraulics with
quick disconnects are available as standard equipment. Auxiliary hydraulic
functions support additional attachments such as side shifters, which are
commonly equipped on these units. Hydraulic system operational checks confirm
that the hydraulic system is operational on inspected units.
The Clark S25CL can be equipped with various mast types
including 2-stage and 3-stage configurations. Specifications for a standard
upright include a lowered height of 83.3 in or 2115 mm, though some sources
indicate lowered heights of 82 in to 84 in depending on configuration. The mast
has a free lift of 4.3 in or 110 mm, allowing the forks to be raised to this
height without increasing the mast's overall height.
The standard lift height is 130 in or 3300 mm, though some sources indicate
maximum fork heights of 120 in, 189 in, or 205 in depending on mast
configuration. At full lift, the upright extends to a height of 151.7 in or 3854
mm with load backrest.
The fork carriage is CLASS II according to DIN 15173. The fork carriage width is
37 in or 940 mm. The load distance from the centreline of the front axle to the
front face of forks is 16.1 in or 409 mm. The mast and fork carriage can tilt
forward by 8 degrees and backward by 10 degrees to facilitate load handling and
secure transport.
The forklift's fundamental lift capacity is 5000 lb or
2500 kg up to its maximum lift height, as defined by its 24 in or 500 mm load
centre. Some auction listings indicate capacities of 4500 lb or 4800 lb, which
may represent different model specifications or load centre variations.
The lift speed with a load is 102.4 fpm or 0.52 m/s,
and without a load, it is 106.3 fpm or 0.54 m/s. Some sources indicate lift
speed of 98 fpm with load. The lowering speed with a load is 108.2 fpm or 0.55
m/s, and without a load, it is 98.4 fpm or 0.50 m/s.
The maximum drawbar pull, or the pulling force, is 4628 lb or 20584 N when laden
and 1724 lb or 7669 N when unladen. Its gradeability, the ability to ascend a
slope with a load, is 33.8% according to some sources, though other sources
indicate 23% gradeability with load.
The overall length of the truck, including the forks,
is 134.4 in or 3414 mm, while the length to the face of the forks is 92.3 in or
2344 mm. The overall width is 41.7 in or 1060 mm. The height of the overhead
guard is 82.9 in or 2105 mm. The seat height is 43.8 in or 1113 mm, and the
coupling height is 12.2 in or 310 mm. The standard fork dimensions are 1.75 in
or 45 mm thick, 4 in or 100 mm wide, and 42 in or 1070 mm long. Alternative fork
lengths of 42 in, 43 in, and 48 in are available depending on configuration.
Ground clearance minimum with load is 3.3 in or 85 mm, and ground clearance at
the centre of wheelbase is 4.3 in or 110 mm. The aisle width required for
pallets sized 1000 by 1200 mm crossways is 3670 mm or 144.5 in, and for pallets
sized 800 by 1200 mm lengthways, it is 3870 mm or 152.4 in. The outer turning
radius is 81.1 in or 2061 mm. The internal turning radius is 21.5 in or 545 mm.
The service weight (empty) is 8380 lb or 3801 kg.
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