JCB 3CX SSM.pdf

JCB BACKHOE LOADER | 3CX SUPER SITEMASTER

MAX. ENGINE POWER

68.6kW (92hp)

MAX. BACKHOE DIG DEPTH:

5.93 metres (19ft 5in)

MAX. LOADER CAPACITY:

1.0m 3 (1.32yd 3 )

STATIC DIMENSIONS

JCB Backhoe Loaders feature heavy duty one piece mainframe, componentised driveline and fully enclosed engine compartment. All fluid and component compartments are lockable using the ignition key.

Machine model

3CX Super Sitemaster

m (ft-in)

Machine model

3CX Super Sitemaster

m (ft-in)

Total travel length

5.91 (19-5)

Steering wheel centre height

1.86 (6-1)

Axle centreline distance

2.22 (7-3)

Cab roof height

2.86 (9-4)

Slew centre to rear axle centre distance

1.36 (4-6)

Total travel clearance

3.56 (11-10)

Stabiliser feet clearance

0.33 (1-1)

Rear frame width

2.24 (7-4)

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Kingpost clearance

0.48 (1-7)

Shovel width

2.23 (7-4)

JCB BACKHOE LOADER | 3CX SUPER SITEMASTER

GROUND LINE ANGLES

STEERING

Full power hydrostatic system utilising the main hydraulic pump via a steering priority valve. In the event of engine failure,

emergency steering is maintained. Four equal size wheels with two steer modes – front wheel steering and four wheel steering.

Steer mode is selected via a two position rotary switch on the front dashboard.

Machine model

3CX Super Sitemaster

Axles

Steer drive

Steering turns – lock to lock

2 3 ⁄ 4

m (ft-in)

Kerb – kerb turning circle – unbraked

9.35 (30-8)

Kerb – kerb loader clearance circle – unbraked

11.15 (36-7)

Turning circle – braked

8.0 (26-3)

Loader clearance circle – braked

9.5 (31-2)

(Depending on tyre size, ground conditions etc.)

Approach angle 74°

Interference angle/ramp to ground plane 118°

Departure angle 19°

OPERATING WEIGHTS

ENGINE SUPPORT SYSTEM

Operating weight includes machine equipped with 610mm excavator bucket, Extradig 6-in-1 shovel with forks and full fuel tank.

Engine support system is designed for ease of daily checks, routine maintenance and longer service intervals.

Fuel type

Machine model

3CX Super Sitemaster

kg (lb)

Diesel.

Fuel filter

Replaceable cartridge plus water/sediment separator prefilter.

Air cleaner

Dual, dry element type, with self cleaning internal air intake precleaner.

Weight

8425 (18550)

Oil filter and lubrication

Full flow, spin-on type filter.

Cooling system

Hot climate specification, pressurised 14.5 psi (1.0 bar) suction fan. Pressurised recovery tank with

integral filler neck.

ENGINE

Four cylinder, direction injection diesel. Water pump, spin-on oil filter, fuel filter, water/sediment separator prefilter, dual element

air cleaner with internal precleaner, cold start aid.

ELECTRICAL AND INSTRUMENTATION

12 volt negative ground, utilising wiring and connectors meeting IP69 water ingress test standard. Central fuse panel.

Gauges

Machine model

3CX Super Sitemaster

Tachometer, engine coolant temp, fuel level, hourmeter, clock.

Manufacturer

JCB

Warning system

Audible and visual system for engine oil, water in fuel, transmission oil temperature and pressure,

park brake, air cleaner, alternator.

Aspiration

Turbocharged

Displacement

4.4 Ltr

Battery

115 A/hr.

No. of cylinders

Pre-wire

Radio speakers (cab), beacon (all).

Horn

Controlled from both front and rear.

Rated engine RPM

2200

Alternator

95 amp standard.

Power ratings

Gross ISO 14396 and SAE J1995

Front working lights

2 twin beam fixed position.

kW (HP)

68.6 (92)

Rear working lights

4 adjustable.

SAE net ISO 9249 (SAE J1349)

kW (HP)

67.2 (90.1)

Torque ratings

SAE gross ISO 14396 and SAE J1995

Nm (lbf ft)

390 (287.6)

SAE net ISO/TR 9249 and SAE J1349

Nm (lbf ft)

382 (281.8)

Max. torque RPM

1300

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JCB BACKHOE LOADER | 3CX SUPER SITEMASTER

JCB TORQUE LOCK (Optional)

REAR AXLE

An industry exclusive, JCB Torque Lock enables an operator to dramatically reduce travel time and improve fuel efficiency during

roading operations.

Torque Lock incorporates a clutch which, when engaged, enables a direct connection between the engine and gearbox.

By “locking up” the torque converter slippage is eliminated. Torque Lock engages automatically in 4th gear (Powershift models)

or “A” mode (Autoshift models).

Not available on Synchroshuttle models.

JCB rear axles are designed and built specifically for backhoe loaders and accept a wide variety of tyre combinations.

Machine model

3CX Super Sitemaster

Type

JCB steer drive with torque proportioning

Limited slip

Option

Axle ratings

kg (lb)

Static load rating

21000 (46296)

Dynamic load rating

7000 (15432)

Steering ram

Powered track rod

TRANSMISSION

The JCB Transmissions are designed and built specifically for JCB Backhoe Loaders. They feature synchronised shifting in all

gears. Powershuttle between forward and reverse. Ground speeds are designed to maximise production.

An optional 4 speed powershift transmission enables effortless and fast gear changes. Gears are selected through a twist grip

control on the column mounted forward/reverse lever.

CAB

Excellent visibility (and safety) is provided by the extra large tinted glass areas of 6.4 sq m (70 sq ft). Cab frame is ROPS and FOPS

approved for maximum operator protection. ISO standard 3471 and 3449 (SAE J1040 and J231).

●

Machine model

3CX Super Sitemaster

Manufacturer

JCB

A fully adjustable seat with lumbar support combines with ergonomically positioned controls to minimise operator fatigue.

Type

Syncroshuttle

Powershift

The in-cab noise levels are the lowest in the business for maximum operator comfort.

●

Torque converter

305mm (12")

A radio location is provided as standard plus twin speakers for stereo sound.

●

Torque converter ratio

2.54:1

Cab provides easy access through a two door frame. Rear side windows open either partially or fully for extra ventilation.

Standard features include: lap seat belt, 3 speed fresh air/recycle heater, front and rear screen wash/wipers, front and rear

horn, exterior mirrors, and flat easy-clean floor.

●

Torque Lock

n/a

Option

Gears forward/reverse

4/4

Gear selection

Manual

Powershift

The instrument panel is positioned to the right-hand side for ease of viewing from either the loading or excavating position

and has an optional lockable cover for vandal proofing. Engine speed, fuel and coolant temperature gauges, (and clock on

cab builds) are mounted in the panel.

●

Shuttle control – F/R

Power shuttle

Travel speeds

kph (mph)

Tyres equipped – 16.9 x 24

Gear 1

A high performance air conditioning system is optionally available on turbo builds providing the operator with a cool working

environment when working in high temperatures.

●

5.0 (3.1) F / 5.0 (3.1) R

4.7 (2.9) F / 4.7 (2.9) R

Gear 2

8.1 (5.0) F / 8.1 (5.0) R

8.8 (5.4) F / 8.8 (5.4) R

Mechanical suspension seat gives the operator a comfortable operating position.

●

Gear 3

17.5 (10.8) F / 17.5 (10.8) R

20.5 (12.7) F / 20.5 (12.7) R

An optionally available heated air suspension seat gives the operator the ultimate comfort with automatic compensation

for weight.

●

Gear 4

33.1 (20.5) F / 33.1 (20.5) R

38.1 (23.6) F / 38.1 (23.6) R

JCB PRECISION CONTROL (Optional)

FRONT AXLE

JCB Precision Control offers smooth, low effort and productive backhoe operation, while reducing operator fatigue. Excavator

control joysticks are integrated into the seat, providing increased legroom, improved job visibility and hydraulic excavator

ergonomics. A proportional switch is mounted in the joystick to operate JCB’s Extradig. An optional joystick mounted switch is

also available to operate auxiliary attachments. The low effort mechanical loader control incorporates an optional proportional

switch to operate loader mounted attachments.

Best in class hydraulic modulation combined with the greatest digging performance, means that the JCB Precision Control is

unmatched in any backhoe loader.

JCB front axles are designed and built specifically for backhoe loaders and accept a wide variety of tyre combinations.

Machine model

3CX Super Sitemaster

Type

JCB 4WD steer drive with torque proportioning

Axle ratings

kg (lb)

Static load rating

21000 (46296)

Dynamic load rating

7000 (15432)

Oscillation angle

16°

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Steering ram

Powered track rod

JCB BACKHOE LOADER | 3CX SUPER SITEMASTER

LOADER DIMENSIONS

LOADER ATTACHMENTS

LOADER DIMENSIONS – 6-in-1 Shovel

LOADER ATTACHMENTS – Forklift Performance and Data

m (ft-in)

6-in-1 Shovel mounted forks

Quickhitch mounted forks

Dump height

2.64 (8-8)

m (ft-in)

Load over height

3.13 (10-3)

Section width

0.08 (0-3 1 ⁄ 8 )

Pin height

3.41 (11-2)

Fork length

1.1 (3-7)

Pin forward reach

0.47 (1-6)

Reach at ground

2.78 (9-1)

2.18 (7-2)

Reach at ground (toe plate horizontal)

1.50 (4-11)

Reach at full height

2.38 (7-10)

1.81 (5-11)

Max. reach at full height

1.22 (4-0)

Fork lift height

2.85 (9-4)

3.23 (10-7)

Reach at full height fully dumped

0.82 (2-8)

Fork spacing – min

0.2 (0-8)

Dig depth

0.23 (0-9)

Fork spacing – max

2.17 (7-3)

1.03 (3-4)

Rollback at ground

45°

SWL @ 500mm load centres

kg (lb)

1000 (2205)

2000 (4410)

Dump angle

44°

Jaw opening width

0.95 (3-1)

LOADER ATTACHMENTS – Direct Mount

LOADER PERFORMANCE

Loader buckets are listed according to size and application. All buckets are drilled to accept optional auxiliary cutting edge or teeth.

Flat top box section provides rigidity and assists in bucket levelling.

JCB loaders provide parallel lift self levelling on the up and down cycle enhancing load retention and use of optional pallet forks.

High capacity buckets combined with high lift and breakout forces maximise productivity.

Capacity SAE

Machine model

3CX Super Sitemaster

Rated m 3 (yd 3 )

Struck m 3 (yd 3 )

Width mm (ft-in)

Loader breakout of shovel

kgf (lbf)

6590 (14498)

6-in-1 shovel

Loader breakout – arms

kgf (lbf)

5730 (12606)

2235 (7-4)

1.0 (1.32)

0.76 (1.00)

Max. lift capacity to full height

kg (lb)

4378 (9631)

2350 (7-8)

1.0 (1.32)

0.76 (1.00)

Clamping force

kgf (lbf)

2945 (6479)

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JCB BACKHOE LOADER | 3CX SUPER SITEMASTER

BRAKES

HYDRAULIC SYSTEM

The JCB braking system ensures effective, fade-free braking. The self-adjusting, multi-disc arrangement is inboard mounted and is

oil immersed for minimum maintenance and a long operating life.

The Open Centre system uses twin gear pumps and Hydraulic Speed Control (HSC) with a power modulation valve that

automatically varies hydraulic power to match digging conditions for extra performance and power.

Four wheel braking.

Open centre hydraulic system using simple and reliable high efficiency gear pumps.

●

All machines are fitted with servo assisted brakes as standard for low effort braking.

A Power Modulation Valve automatically varies the hydraulic power to match digging conditions to improve performance

and efficiency – automatically dumps one pump when 4th gear selected on powershift models.

●

Twin brake pedals provide tighter turning circle and enhanced steering control on slippery ground.

●

The HSC switch enables controlled use of hydraulic response depending upon application.

●

Automatic compensation ensures ‘straight’ machine braking.

●

Easily used, ergonomically positioned levers give excellent control of the loader and backhoe, thus reducing operator fatigue.

●

Disc diameter: 220 mm (8.7 in). Friction area: 129,000 sq.mm (200 sq. in) per brake.

●

An independent pump powers the Extradig dipper so that it can extend or retract without breaking the digging cycle.

This allows faster cycle times and simultaneous use of the telescopic and normal excavator actions in operations such as

grading and bank dressing.

●

For syncroshuttle transmissions, the independent parking brake is mounted on the input shaft of the rear axle and will hold

the machine on 1:3 gradients. It is an over-centre type, adjustable within the cab, with transmission disconnect to prevent

premature brake pad wear. Park brake disc diameter: 280mm (11 in). Friction area 5416 sq. mm (8.4 sq.in).

●

A full flow 10 micron filter ensures that oil stays free of contaminants.

●

For powershift transmissions, the integral park brake is a ball and ramp, oil immersed type located within the transmission

and will hold the machine on 1:3 gradients. It is an over-centre type, adjustable within the cab, with transmission disconnect

to prevent premature brake pad wear. There are 5 friction brake discs having an outside diameter of 127mm (5 in).

Frictional area per brake disc is 47.65 sq. cm (7.39 sq. in) giving a total frictional area of 476.5 sq. cm (73.9 sq. in).

●

Engine

Turbo

Pump flows at 2200rpm

l/min (gal/min)

Main pump output

79 (17.4)

Second pump output

57 (12.5)

TYRES

System working pressure

bar (lbf/sq in)

Backhoe and loader

251 (3650)

14.9/14 x 24, 12PR Industrial

16.9/14 x 24, 12PR Industrial

460/70 x 24, Radial Traction

JCB SMOOTH RIDE SYSTEM (Optional)

SERVICE CAPACITIES

The JCB Smooth Ride System (SRS) consists of a dry nitrogen and oil filled accumulator installed in line with the loader lift cylinders.

When activated, the Smooth Ride System allows the loader arms to float. This action counteracts variations in road or site

surfaces and provides the operator with a smooth ride. The JCB Smooth Ride System is manually controlled, via a rocker switch

on the instrument panel, for maximum benefit and user flexibility.

Machine model

3CX Super Sitemaster

ltr (gal)

Cooling system

18.5 (4.1)

Fuel tank

160 (35.2)

Engine oil with filter

15 (3.3)

Transmission with filter

16 (3.5)

Rear axle

16 (3.5)

Front drive axle

16 (3.5)

Hydraulic system incl. tank

132 (29)

JCB POWERSLIDE (Optional)

Exclusive to JCB, this option enables the excavator’s sideshift carriage to be hydraulically powered across the rearframe by the

operation of a pedal or joystick mounted proportional switch (Precision Control) in the cab.

With this feature there is no need to “push” the carriage across with the bucket avoiding ground damage and the need to relocate the

whole machine.

A Product

of Hard Work

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