Call us: 01869 343511 Email: info@kelberg.com
Quick Specs
| Cab Type | Sleeper Cab |
|---|---|
| Transmission | Automatic |
| Wheelbase | 5,100 mm |
| Engine Power (bhp) | 460 hp @ 1,700 – 1,900 rpm |
| Engine Power (kW) | 345 kW @ 1,700 – 1,900 rpm |
| Max Torque | 2,200 Nm @ 1,050 – 1,400 rpm |
| Engine Size | 10.8 L |
| Gearbox Model | Optidriver ATO2610 |
| Wheels + Tyres | 315/80R22.2 |
| Rims | Alcoa Brushed Aluminium |
| Exhaust | Exhaust |
| Drum Material | HARDOX 500 |
|---|---|
| Drum Size | 9 m³ |
| Drum Controls | Cable Controls |
| Water Tank Size | 500 L |
| Gearbox | PMP |
| Oil Cooler | Rexwroth A4VTG90 |
| Extension Chutes | 2 x Plastic |
| Anti-Corrosion | Shotblasted + 2k Paint |
Chassis Cab Details
Renault C Sleeper Cab
Renault’s compact sleeper, on 4-point mechanical suspension with three-step entry. The driver gets a fully-adjustable Comfort seat with heating, vertical damping, and lumbar support, and a Sérénité lower bunk. A 2 kW night heater and electronic air conditioning handle the cab climate, and curtains around the cab.
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The driver has a 12-inch HD colour display, DAB radio with multifunction screen, and a DTCO 4.1 digital tachograph. Cruise control and speed limiter are configurable from a steering-wheel, and Intelligent Speed Assistance reads roadside signs to display the current limit and warn on overtakes. Active safety includes Forward Collision Warning with Advanced Emergency Braking, side radar with automatic braking, lane departure warning.
Driveline
Under the cab sits the Renault DTI 11 — a 10.8-litre, 6-cylinder Euro 6 diesel producing 460 hp and 2,200 Nm of torque. The engine is paired with the Optidriver ATO 2612 12-speed automated gearbox, with steering-wheel-mounted mode selection and a ratio spread of 11.73 to 0.79 for site work and motorway cruising alike.
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Peak torque arrives from 1,050 rpm and stays available through to 1,400 rpm, giving steady pull-away when laden with a full drum of concrete. A dedicated rear engine PTO, providing continuous, direct drive for the mixer’s hydraulic pump without taking power through the gearbox.
Axles & Braking
8×4 axle configuration: two 8-tonne steering axles, with twin-reduction tandem rated to 21,000 kg. Twin reduction puts two gear stages inside the differential sharing the load across both stages and giving the axle the strength to handle the constant heavy loads of mixer work. A differential lock is fitted for traction on soft or slippery ground at the batching plant or on site.
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Ventilated disc brakes are fitted, controlled by EBS with ABS, ASR anti-slip regulation, ESC stability control, anti-rollover protection, hill-start assist, and emergency brake assist. The Optibrake retarder is a combined exhaust brake and valve compression brake delivering 300 kW of braking force.
Lighting & Electrics
Exterior lighting is – LED headlights with separate main-beam and dipped-beam modules, a high-brightness two-tone LED strip handling indicators and daytime running lights, LED rear signalling, and orange LED side marker lights with reflectors. Front fog lights are fitted in the bumper. Beyond the standard fit, we can specify and install a full range of additional lighting — beacons, strobes, work lamps, and load-area floods — tailored to how and where you’ll be working.
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The electrical system runs on 24 V with maintenance-free batteries totalling 225 Ah, isolated by a remote-control battery cut-out.
Fuel, AdBlue, Exhaust
Fuel is carried in a 275-litre plastic tank mounted between the two front axles on the left-hand side of the chassis. A heavy-duty sedimenter and pre-filter protects the fuel system from contamination, with a bleed control on the dashboard for routine purging.
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The DTI 11 meets Euro VI through a compact after-treatment system combining catalytic converter, DPF, and SCR. AdBlue is stored in a 57-litre tank inside the chassis on the right-hand side, and the exhaust discharges to the side. Particulate filter regeneration is automatic in normal use, with a manual override.
Service & Warranty
The chassis is supplied under Renault Trucks’ standard manufacturer warranty (2 full years), with Renault Service Uptime included to ensure roadside support is always available. Extended warranty and repair-and-maintenance packages are available from Renault as optional upgrades — speak to us at order for more details.
Bodywork Details
Schwing-Stetter Drum
The Schwing-Stetter Light Line AM9FHCLL 9 m³ drum is their weight-optimised mixer range.
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Inside the drum, the mixing spirals use hardened steel rated at 500 HB Brinell across the main wear faces, with 550 HB Brinell protection on the side of each blade. These extremely hard, abrasion-resistant grades resist the constant scraping of aggregate as the drum turns — the result is significantly longer service life before spiral replacement. Drum rotation runs from 0 to 14 RPM under variable hydraulic control, at a 12.45° inclination.
Drum Controls
The drum is driven by a Rexroth A4VTG90 hydraulic pump feeding a PMP PMB 6.5 gearbox. The closed hydraulic circuit operates at up to 450 bar, and the PMP gearbox converts that into 65,000 Nm of slow, high-torque rotation at the drum mount, with variable pump displacement giving smooth control across the full 0–14 RPM range.
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The driver controls drum speed and direction from two stations — manual cable controls in the cab for transit, and matching cable controls at the rear of the truck for discharge on site. Both are backed by an electronic four-position EDC controller for fixed-speed selection: pick a preset and the drum holds it. A dedicated oil cooling system with thermostat and fan keeps hydraulic fluid at temperature.
Hoppers & Chutes
Concrete is loaded through a feed hopper with a hardened wear liner and a rubber spill extension that catches overspill during batching. The hopper sits 140 mm lower than the standard Light Line build, giving better clearance under loading equipment at the batching plant.
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At the rear, a swivel discharge chute with a 4 mm steel liner directs concrete when offloading. Two plastic extension chutes are stowed on the nearside and offside mudwings, extending reach when you need to place concrete further from the truck. A manual telescope adjusts chute length, with a stowage lock that secures the chute for road transit.
Water System
The onboard water system carries 500 litres in an air-pressurised tank with an external level indicator. Water can be filled from either side of the truck through 3/4″ connections, and a flow meter on the discharge side gives accurate water dosing for slump adjustment.
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Two wash-down hoses are fitted at the rear: a 3 m hose at the top of the rear ladder for cleaning the drum opening from the platform, and a 10 m hose at the bottom of the ladder for washing down the chute and discharge area from ground level.
Anti-Corrosion
Warranty
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