Product Introduction: IVECO Ouba 4x4 Off-Road Ambulance – Model: CLW (Custom Built) | IVECO 4x4 Ambulance Box-Type Medical ICU Version
I. Product Overview
The IVECO Ouba 4x4 Off-Road Ambulance is a rugged, purpose-built emergency medical vehicle designed to operate in the most challenging environments. Built on the reliable IVECO chassis with permanent four-wheel drive, this model is engineered for field operations, disaster relief missions, and military applications where conventional 2WD ambulances cannot venture. The vehicle features a reinforced steel frame body structure, providing exceptional durability and rollover protection during off-road operations. It is fully equipped to support long-term outdoor operations in extreme weather conditions, ensuring that emergency rescue teams can reach patients regardless of terrain or climate challenges. With a capacity for seven personnel including crew and medical staff, this mobile treatment unit brings advanced life support and patient transport capabilities directly to the point of need in remote mountains, deserts, flood zones, or rugged locations inaccessible to standard emergency vehicles.

II. Core Specifications
Gross Vehicle Weight (GVWR): 3,855 kg (8,499 lbs) – Optimized for heavy payloads including medical equipment
Curb Weight: 3,400 kg (7,496 lbs)
Personnel Capacity: 7 persons (Driver + Attendants + Patient on litter)
Wheelbase: 3,310 mm (10.9 ft) – Providing stability on uneven terrain
Fuel Type: Diesel (High-energy density for extended range)
Overall Dimensions (L x W x H): 5,916 mm x 2,100 mm x 2,700 mm (19.4 ft x 6.9 ft x 8.9 ft)
Front Overhang / Rear Overhang: 993 mm / 1,613 mm (3.3 ft / 5.3 ft)
Maximum Speed: 90 km/h (56 mph) – Calibrated for off-road stability and control
Engine Manufacturer: Nanjing IVECO Automotive Co., Ltd.
Engine Model: SOFIM8140.43S6
Engine Displacement: 2,798 ml (2.8L) Turbocharged Diesel
Emission Standard: GB17691-2018 China VI (Environmentally compliant)
Rated Power: 95 kW (approx. 127 hp @ 3,600 rpm)
Tire Specification: 255/85R16LT 8PR (Heavy-duty all-terrain tires with reinforced sidewalls)
Drive Configuration: Front-engine, 4x4 Permanent Four-Wheel Drive with high/low range
Engine Configuration: In-line 4-cylinder with Turbocharger and Intercooler
Transmission: 5-Speed Manual Gearbox with synchronized gears
Brake System: Anti-lock Braking System (ABS) with hydraulic actuation
Front Suspension: Torsion Bar Independent Suspension for wheel articulation
Rear Suspension: Leaf Spring Non-Independent Suspension for load capacity
Rear Door Configuration: 180-degree double-leaf rear doors for stretcher access

III. Exterior Dimensions, Materials & Design Philosophy
The IVECO Ouba 4x4 features a robust exterior designed for maximum durability in extreme conditions. The body structure employs a reinforced steel frame construction, creating a rigid safety cell that protects occupants during rough terrain navigation and potential rollover scenarios. The vehicle stands at 2,700mm tall with a width of 2,100mm, offering a low center of gravity for stable off-road handling. The right side features a hinged passenger door for easy crew access, while the rear is equipped with a practical 180-degree double-leaf rear door. This wide-opening rear design facilitates rapid loading and unloading of stretchers and field medical equipment, even in confined spaces or low-light conditions. The design philosophy prioritizes functional durability and mission reliability over luxury, ensuring every component—from electrical connectors to cabinet latches—can withstand constant vibration, dust intrusion, and extreme temperatures ranging from -35°C to +60°C in relative humidity up to 80%. The exterior finish includes anti-corrosion coatings and high-visibility reflective markings for emergency scene identification.

IV. Structural Advantages
Engine & Powertrain: The SOFIM 2.8L turbocharged diesel engine is renowned in the off-road community for its reliability and high torque output at low RPMs—essential for climbing steep gradients and traversing soft ground like sand or mud. With 95 kW of power, it provides sufficient grunt for fully laden off-road operations while maintaining fuel efficiency for extended range missions in remote areas where refueling is unavailable.
Transmission & Drivetrain: The 5-speed manual transmission is paired with a permanent four-wheel-drive system, giving the driver confidence on snow-covered roads, muddy tracks, sandy deserts, and rocky terrain. The included low-range gearing allows for precise throttle control during technical off-road sections, such as navigating boulder fields or fording streams, ensuring patient comfort is not compromised by abrupt vehicle movements.
Front & Rear Axles: The specialized combination of front torsion bar independent suspension and rear leaf spring non-independent suspension is specifically engineered for off-road ambulances. The independent front suspension allows each wheel to move vertically independently, maintaining tire contact and traction on severely uneven surfaces. The rear leaf springs are designed to carry heavy, shifting loads—such as a patient-loaded stretcher plus bulky medical gear—without sagging, bottoming out, or losing lateral stability during cornering on loose surfaces.
Braking & Safety Systems: The inclusion of ABS (Anti-lock Braking System) is critical for maintaining steering control during emergency braking on low-traction surfaces like gravel or ice. The reinforced steel frame structure further protects the medical cabin's integrity in the event of a vehicle rollover or impact, ensuring that both patient and crew remain within a protective survival cell.
Body Structure Integrity: The steel frame structure is not merely a traditional body-on-frame design; it is an integrated reinforced frame that ties the chassis rails and body panels together for maximum torsional rigidity. This engineering approach prevents chassis flex that could damage sensitive medical equipment—such as ventilators or defibrillators—during severe off-road articulation.

V. Product Features & Manufacturer Advantages (Chengli Group)
Extreme Environmental Adaptability: This off-road ambulance is engineered and tested to operate reliably in extreme natural conditions, from -35°C arctic environments to +60°C desert heat. It is specifically designed for long-term field deployment, with all electrical systems sealed against dust and moisture ingress per IP standards, ensuring functionality during river crossings or dust storms.
Superior Off-Road Capability: With significant ground clearance, aggressive 255/85R16LT all-terrain tires, and a selectable low-range 4x4 system, this vehicle can traverse terrain that would immobilize standard 2WD ambulances. It is the preferred choice for industries requiring extreme mobility: mining operations, oil and gas exploration camps, mountainous search and rescue teams, forestry fire support, and military field hospitals.
Functional Patient Compartment Design: Despite the rugged exterior, the spacious interior is designed to accommodate a full aluminum alloy stretcher system, medical supply cabinetry, and advanced life support equipment within the reinforced body shell. The wide 180-degree rear doors ensure stretcher loading is ergonomic and efficient, while the side door allows for rapid crew entry and egress during emergency stops. Interior surfaces are constructed from easy-clean, infection-control materials suitable for field hospitals.

Chengli Group Advantage – Leading 4x4 Ambulance Manufacturer: As a premier specialty vehicle manufacturer in China, Chengli Group brings decades of engineering experience in modifying vehicles for extreme duty cycles and demanding environments. Our strategic partnership with IVECO ensures that the base chassis retains its full manufacturer warranty while benefiting from our certified second-stage upfitting processes, which meet or exceed medical vehicle regulations. We specialize in creating customized solutions for clients requiring vehicles for the world's most challenging environments, including defense forces, United Nations aid missions, petroleum exploration companies, and disaster relief agencies like Red Cross societies. Unlike standard ambulance converters who focus only on the interior, Chengli provides a true single-source engineering solution: from calculating the dynamic loads on the roll cage and equipment mounts to withstand severe G-forces during off-road travel, to installing medical gas delivery systems that remain leak-tight during continuous chassis articulation. Our factory-direct business model offers highly competitive wholesale pricing on these specialized emergency vehicles, backed by comprehensive nationwide after-sales support, spare parts availability, and a deep understanding of both international medical device standards and off-road vehicle dynamics. Whether for humanitarian disaster response or tactical military medical evacuation (MEDEVAC), the IVECO Ouba 4x4 ambulance represents the gold standard in all-terrain patient transport engineering.




