JCB 506-36 Specifications
The JCB 506-36 Loadall is a compact, high-capacity
telescopic handler designed for construction, industrial material handling,
agricultural operations, and rental fleets requiring strong lifting performance
combined with maneuverability and mechanical durability.
With a rated payload of 6,000 lb (2,722 kg), a
maximum lift height of 36 ft 4 in (11.07 m), and a maximum forward reach
of 24 ft (7.31 m), the 506-36 delivers excellent load placement
capability while maintaining a relatively short wheelbase and stable
chassis geometry.
The 506-36 forms part of JCB’s mid-size Loadall lineup and shares many
proven components with larger models, including the Dieselmax 4.4 L
turbocharged engine, permanent four-wheel drive, epicyclic axles, and a
heavy-duty hydrostatic steering system with multiple steering modes.
Designed to meet ASME B56.6 stability
standards, the machine emphasizes safety, predictable load handling,
ease of service, and long operational life. Its simple mechanical layout
and robust construction make it well suited for demanding job sites
where uptime and reliability are critical.
The JCB 506-36 is powered by the JCB Dieselmax
four-cylinder turbocharged diesel engine, engineered for high torque output at
low engine speeds, reduced fuel consumption, and compliance with EPA Tier III
and EU Stage III emissions standards.
Engine model: JCB Dieselmax 4.4
Engine type: Four-cylinder, four-stroke, water-cooled diesel
Displacement: 269 cu.in (4.4 L)
Bore: 4.05 in (103 mm)
Stroke: 5.20 in (132 mm)
Aspiration: Turbocharged
Fuel system: Direct injection diesel
Air filtration: Two-stage dry-type air cleaner with primary and safety elements
Rated power output (standard): 85 hp (63 kW) at 2,200 rpm
Optional rated power output: 100 hp (74.2 kW) at 2,200 rpm
Torque characteristics:
Maximum torque (standard): 267 lb-ft (362 Nm) at 1,200 rpm
Maximum torque (optional): 324 lb-ft (440 Nm) at 1,300 rpm
Lubrication system:
The engine uses a full-pressure wet-sump lubrication system with a gear-driven
oil pump supplying pressurized oil to crankshaft main bearings, connecting rod
bearings, camshaft journals, and valvetrain components.
Recommended engine oil: SAE 15W-40, API CF or higher
Cooling system:
Liquid-cooled system with belt-driven centrifugal water pump, heavy-duty
radiator, and thermostatic coolant flow control.
Thermostat opening temperature: approximately 82 °C (180 °F)
The JCB 506-36 uses a heavy-duty JCB powershift
transmission incorporating a torque converter, bevel box, and four-speed
powershift gearbox within a single resiliently mounted assembly.
Transmission:
Transmission type: 4-speed powershift with torque converter
Directional control: Steering column-mounted forward/reverse shuttle
Maximum travel speed: 15.5 mph (25 km/h)
Axles:
Front and rear axles are JCB epicyclic hub-reduction drive/steer axles.
Drive configuration: Permanent four-wheel drive
Differentials: Max-Trac torque-proportioning differentials
Braking system:
Service brakes: Servo-assisted, hydraulically activated, self-adjusting,
oil-immersed multi-disc brakes fitted to the front axle
Parking brake: Hand-operated mechanical disc brake acting on the gearbox output
shaft
System voltage: 12 V negative earth
Battery capacity: 130 Ah
Alternator output: 95 A
Starter motor: Heavy-duty industrial unit
Standard equipment: Reverse alarm, engine protection and warning system
Instrumentation includes engine speed indicator, engine temperature gauge, fuel
gauge, hour meter, and audio-visual warnings for oil pressure, coolant
temperature, air filter restriction, battery charging, transmission oil
temperature, and water-in-fuel.
Frame construction: Heavy-duty welded steel chassis
with integrated counterweight, designed to maintain stability with elevated and
forward loads.
Drive configuration: Permanent 4WD
Boom construction:
High-tensile steel box-section telescopic boom with low-maintenance wear pads
and internal hose routing.
Carriage type: JCB Toolcarrier allowing rapid attachment changes
Wheels and tires:
Standard tire size: 13.00x24 industrial tires
Rims: Heavy-duty steel
Steering type: Hydrostatic power steering
Mode selection: Cab-mounted selector lever
Outside turning radius (over tires): 14 ft 6 in (4.42 m)
Steering modes:
Front-wheel steering
Four-wheel steering
Crab steering
Hydraulic pump: Two-stage gear pump with suction
strainer and return filter
Maximum operating pressure: 3,770 psi (260 bar)
Pump flow rate: 29 US gal/min (110 L/min)
Hydraulic functions:
Boom lift and lower
Boom extend and retract
Carriage tilt
Auxiliary hydraulic service at boom head
Hydraulic cycle times:
Boom raise: 11.2 s
Boom lower: 7.3 s
Extend: 8.5 s
Retract: 9.9 s
Fork dump: 4.0 s
Fork crowd: 3.0 s
| Service Refill Capacities |
Fuel tank capacity: 35 US gal (132 L)
Hydraulic tank capacity: 34 US gal (128 L)
Cooling system capacity: 6 US gal (23 L)
Rated operating capacity: 6,000 lb (2,722 kg)
Lift capacity to full height: 6,000 lb (2,722 kg)
Lift capacity at maximum forward reach: 1,800 lb (816 kg)
Maximum lift height: 36 ft 4 in (11.07 m)
Reach at maximum lift height: 6 ft 4 in (1.93 m)
Maximum forward reach: 24 ft 0 in (7.31 m)
Frame sway (left/right): ±10°
Drawbar pull: 18,000-22,000 N (4,000-5,000 lbf)
Overall height: 8 ft 3 in (2.51 m)
Overall width: 7 ft 10 in (2.39 m)
Overall length to front tires: 17 ft 1 in (5.21 m)
Overall length to front of carriage: 19 ft 5 in (5.92 m)
Wheelbase: 10 ft 0 in (3.05 m)
Ground clearance: 1 ft 3.5 in (0.40 m)
Standard fork length: 48 in (1,219 mm)
Optional fork lengths: 42-60 in (1,067-1,524 mm)
Fork carriage width: 66 in (1,676 mm)
Unladen operating weight: 20,270 lb (9,193 kg)
250-hour service:
Change engine oil and filter. Inspect air filter elements. Lubricate boom pivots
and steering joints.
500-hour service:
Inspect transmission oil condition, axle oils, hydraulic filters, brake wear,
and driveline components.
1,000-hour service:
Replace transmission oil and axle lubricants. Inspect hydraulic hoses,
cylinders, and electrical connections.
2,000-hour service:
Replace hydraulic oil and coolant. Conduct full structural inspection of boom,
chassis, and carriage.
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