Bucher Duro for technology freaks

Brief description

Two-axle off-road multi-purpose vehicle. The vehicle is powered by a 6-cylinder diesel engine. The permanent four-wheel drive is provided by a 4-speed automatic transmission and a 2-speed transfer case. The transfer case and axles are equipped with self-locking TORSEN differential systems. The chassis consists of a torsionally stiff frame with coil-sprung De Dion axles. The command structure is located on the free upper side of the frame.

Width 1960 mm
Length 6030 mm
Height 2810 mm
Height with antenna 3700 mm
Center of gravity height approx. 950 mm
Wheel base 3880 mm
Track gauge 1680 mm
Turning circle 15500 mm
Track circle 14500 mm
Total weight 5900 kg
Tare weight (equipped) 4550 kg
Payload 1050 kg
Towing capacity 2000 kg
Ground clearance 360 mm
Fording depth 800 mm
Front slope angle 46°
Rear slope angle 32°
Disaster shop 28°
Seats (front / rear)  2 / 7

Engine

VM EP 638 LI, 3.8l, 4-stroke diesel engine, 6 cylinders in line, exhaust gas turbocharging with intercooling, indirect injection (prechamber), distributor injection pump, electronic injection start control, EURO II homologated Water cooling, fan with visco clutch, air/air intercooler.

Engine capacity: 3747,35 ccm
Power: 110 KW (150 PS) at   4000 rpm
Torque: 320 NM at 2100 rpm
Bore x stroke: 92 x 94 mm
Tank capacity: 120 liters

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Mileage

V max. Road gear 110 km/h
V max. Mountain gear 55 km/h
Gradeability 80%
Acceleration 0-100 km/h approx. 19 sec

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Electrical system

24V Alternator: 28V 35A (980W). 2 Batteries: 12V/72Ah.
Main battery switch, halogen headlights.

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Transmission

Allison AT 542
4-speed automatic torque converter, hydraulically controlled.

Gear Ratios

Converter factor 1.96
1. Gear 3.45
2. Gear 2.25
3. Gear 1.41
4. Gear 1.00
R. Gear 5.02

Transfer box

BUCHER V-2GS-TD 15
Synchronized 2-speed transfer case with longitudinal differential TORSEN
Translations: 0.71: 1 street level, 1.42: 1 mountain/terrain level

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Steering

ZF-Servocom 8090
Ball nut hydro-steering arranged on the left.

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Frame

Torsion-resistant ladder frame, main structure welded from hollow steel sections.

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Front axle

BUCHER DE DION
Steering rigid axle in De Dion design with long axle-fixed trailing arms and watt linkage transverse guide. Axle gear with brakes mounted in the chassis; drive via bevel gear, TORSEN differential and constant velocity cardan shafts to the spur gear wheel drives
Delay load: 2600 kg

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Rear axle

Steering rigid axle in De Dion design with long axle-fixed trailing arms and watt linkage transverse guide. Axle gear with brakes mounted in the chassis; drive via bevel gear, TORSEN differential and constant velocity cardan shafts to the spur gear wheel drives
Load capacity: 3600 kg

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Spring/stabilizer

Front axle: Coil spring and gas pressure shock absorber combined into a suspension strut. Cellasto auxiliary springs.
Rear axle: Two coil springs and one gas pressure shock absorber per side. Cellasto auxiliary springs.
Stabiliser: Stabilizer elements acting on both sides of the axle yokes System BUCHER.

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Brakes

Foot brake: Hydraulic dual circuit brake with hydraulic amplifier. Ventilated brake discs all around. Brakes mounted internally on the axle drive.
Motor brake: Wearfree dynamic pressure motor brake.
Handbrake: Two spring applied caliper brakes acting on rear brake discs.

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Wheels/Tires

Wheels: Steel wheel with drop center rim 9″ x 20
Tires: Michelin 275/80 R 20 XZL / 128 K Tubeless

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Driver’s cab

The supporting structure of the cabin cell is made of extruded aluminum profiles and welded with cast elements at the nodes. The floor, windscreen, roof panel, rear wall and its windows are glued to the cabin frame. The plastic front cover can be removed for repair. The cabin is mounted on rubber opposite the chassis and can be tilted quickly and easily by hand with spring support.
Clearly arranged, ergonomic driver’s station, bottle lightly padded instrument table with instrument attachment on the left. Round instruments. Comfort seat for driver and passenger. Efficient heating / ventilation. Storage compartments in both doors, under the seats and on the engine tunnel

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Rollover protection

Protection arch and motor cover made of extruded aluminum profiles. Battery and air filter box made of sheet steel. A body heater and a spare wheel are installed in the rollover protection.

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Exhaust system

Exhaust system in chrome steel design, combined reflection / absorption silencer