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Home / Wheel Loaders / JCB Wheel Loaders / JCB 406

JCB 406 Specifications

The JCB 406 wheel loader is powered by 151.3 cu.in (2.5L) Kohler KDI 2504M 4-cylinder direct injection diesel engine with a rated power of 49 hp (36.4 kW) at 2600 rpm. The JCB 406 is equipped with a 2-speed hydrostatic transmission, hydraulic power steering system, hydraulic wet disc brakes, and 12.5x18 standard tires. The open center hydraulic system has a pump with fluid flow rate of 16 gpm (60.5 lpm). The hydraulic pressure is 3335 psi (230 bar). The wheel loader has a rated operating capacity of 4565 lbs (2075 kg) and tipping load of 9130 lbs (4150 kg). The max lift height is 122.8 inches (3120 mm) to hinge pin, and boom breakout force is 8185 lbs (3720 kg).

Engine Specs

Engine Model ...................... Kohler KDI 2504M
Engine Type ...................... Vertical 4-cycle turbocharged diesel
Number of Cylinders ...................... 4, in-line
Displacement, cu.in (L) ...................... 151.3 (2.48)
Cylinder Bore, in (mm) ...................... 3.46 (88.0)
Piston Stroke, in (mm) ...................... 4.01 (102.0)
Aspiration Type ...................... Naturally aspirated
Rated Engine Power, hp (kW) ...................... 49.0 (36.4)
Rated Engine Speed, rpm ...................... 2600
Maximum Torque, Nm (lb-ft) ...................... 170 (126)
Torque Speed, rpm ...................... 1500
Compression Ratio ...................... 18.4:1
Firing Order ...................... 1-3-4-2
Fuel System ...................... Direct injection
Lubricating System ...................... Forced lubrication by gear pump
Oil Filter Type ...................... Spin-on
Cooling System ...................... Liquid cooled
Coolant Pump Type ...................... Belt driven
Air Cleaner Type ...................... Dual stage
Emission Level ...................... Stage 3A
Fuel Tank Capacity, gal (L) ...................... 21.1 (80.0)
Oil Capacity, qts (L) ...................... 11.7 (11.2)
Electrical System Rating, Volts ...................... 12
Charging System ...................... Alternator
Alternator Rating, Amps ...................... 80

Transmission

Transmission Model ...................... Rexroth A6VM
Transmission Type ...................... Hydrostatic
Number of Forward Gears ...................... 2
Number of Reverse Gears ...................... 2
Maximum Speed (Low Range), mph (kph) ...................... 3.7 (6.0)
Maximum Speed (High Range), mph (kph) ...................... 12.4 (20.0)

Wheels and Tires

Drive System Type ...................... Four-wheel drive (4WD)
Steering Configuration ...................... Articulated frame
Steering System ...................... Hydraulic power
Service Brakes Type ...................... Hydraulic wet disc
Front Tire Size (Std) ...................... 12.5x18
Rear Tire Size (Std) ...................... 12.5x18
Front Tire Size (Opt) ...................... 335/80R18
Rear Tire Size (Opt) ...................... 335/80R18
Front Tire Size (Opt) ...................... 405/70R18
Rear Tire Size (Opt) ...................... 405/70R18
Front Tire Size (Opt) ...................... 365/70R18
Rear Tire Size (Opt) ...................... 365/70R18
Front Tire Size (Opt) ...................... 335/80R20
Rear Tire Size (Opt) ...................... 335/80R20
Front Tire Size (Opt) ...................... 340/80R18
Rear Tire Size (Opt) ...................... 340/80R18

Hydraulic System

Hydraulic System Type ...................... Open center
Hydraulic Pump Type ...................... Gear
Pump Flow, gpm (Lpm) ...................... 16.0 (60.5)
System Pressure, psi (Bar) ...................... 3335 (230)
Hydraulic System Capacity, gal (L) ...................... 18.5 (70.0)

Loader Performance

Rated Operating Capacity (Straight), lbs (kg) ...................... 4565 (2075)
Rated Operating Capacity (Full Turn), lbs (kg) ...................... 3510 (1595)
Tipping Load (Straight), lbs (kg) ...................... 9130 (4150)
Tipping Load (Full Turn), lbs (kg) ...................... 7020 (3190)
Breakout Force, lbs (kg) ...................... 8185 (3720)

Dimensions and Weight

Maximum Lift Height To Hinge Pin, in (mm) ...................... 122.8 (3120)
Height To Top Of Cab, in (mm) ...................... 98.4 (2500)
Length With Bucket On Ground, in (mm) ...................... 202.2 (5135)
Width (Tread Center), in (mm) ...................... 54.7 (1390)
Width (Over Tires), in (mm) ...................... 67.9 (1725)
Wheel Base, in (mm) ...................... 82.7 (2100)
Ground Clearance, in (mm) ...................... 12.4 (315)
Articulation Angle, deg ...................... 40
Bucket Width, in (mm) ...................... 75 (1900)
Bucket Capacity, cu.ft (m3) ...................... 35.3 (1.00)
Digging Depth, in (mm) ...................... 4.1 (105)
Rollback Angle At Ground, deg ...................... 42
Rollback Angle At Full Height, deg ...................... 56
Dump Angle At Full Height, deg ...................... 45
Clearance With Bucket Dumped, in (mm) ...................... 95.3 (2420)
Reach At Full Height, in (mm) ...................... 32.9 (835)
Turning Radius (w/Bucket), in (mm) ...................... 163.8 (4160)
Operating Weight, lbs (kg) ...................... 10800 (4910)

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