Technical
Information for the 4B Series
Dumpers (Four wheel drive)
4B2000, 4B2000HD, 4B2000RS,
4B2500, 4B2500HD, 4B2500RS,
4B3000
Skip:
Heavy duty 5mm steel plate with skip
edges and underside reinforced by
welded steel section for maximum durability.
Standard Skip: (4B2000, 4B2500, 4B3000)
- hydraulically operated by twin double
acting rams.
High discharge Skip: (4B2000, 4B2500
only) - hydraulically operated by
single heavy duty double acting ram.
Rotating Skip-180 degrees: (4B2000,
4B2500 only) - hydraulically operated
by single heavy duty double acting
ram. Manual rotating.
Engine: 4B2000 - Lister Petter
TS2 Diesel 19kW (25.4hp) @ 2500rpm.
Hand start. (Electric start available
as an option).
4B2500 & 4B3000 - Lister Petter
TS3 Diesel 22.6kW (30.3hp) @2500rpm.
Electric start as standard.
Chassis: Robust, high strength
front and rear chassis. Central articulation
pivot, with low maintenance spherical
bearings. High articulation angle
for tight turning performance.
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Transmission:
Gearbox and Clutch: Heavy duty consistant mesh
gearbox, with 3 forward and 1 reverse gears, driving
driving through a single dry-plate clutch. Clutch
diameter: 4B2000 210mm (8.25") 4B2500
& 4B3000 229mm (9")
Transfer box: Chain drive transfer box coupled
by heavy-duty propeller shafts to the front and
rear axles. Simplex chain on 4B2000, duplex chain
on 4B2500 & 4B3000.
Axles & Brakes: 4B2000 - front axle
heavy duty double reduction with fully floating
half shafts. Totally enclosed oil immersed multi-plate
disc brakes. Rear axle heavy-duty double reduction
with fully floating half-shafts. Frame mounted
with centre pivot oscillation.
4B2500 & 4B3000 - Front and rear heavy-duty
double reduction drive axles with full fully floating
half-shafts and totally enclosed oil immersed
multi-plate disc brakes.
Steering
and hydraulics: Full power hydrostatic steering
operating through central articulation pivot.
Direct drive gear pump, with high capacity return
line filtration. Hydraulic tank has lockable filler
cap.
Driving
position and controls: Central high-mounted
driving position for good all-round visibility.
Fully cushioned seat with rubber suspension spring,
accessible from both sides. Foot and hand controls
carefully positioned for maximum operator comfort
and easy operation. 1 reverse and 3 forward gears,
driving through a single dry-plate clutch.
Clutch
diameter: 4B2000 210mm (8.25") 4B2500
& 4B3000 229mm (9").
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