B4 Jaw Crusher

Efficient, high-capacity mobile jaw crusher.

Overview

Recycling

Aggregates

The Keestrack B4 jaw crusher is designed for heavy duty recycling. It's Non Stop System, hydraulic gap adjustment ensures the jaws open in case of unbreakable feed and resets itself hydraulically. During operation the closed side setting (CSS) is monitored and automatically adjusted to ensure a high-quality output.The B4 ensures lower operating costs and maximum productivity on every site.

Capacity up to 400 t/h

Weight 47,2 t / 52 sT

Feed size up to 600 mm / 24"

Feed opening 1100 × 700 mm 43" x 27,5"

Hydraulic gap adjustment (Non stop system)

Double deck pre-screen 2300 × 1000 mm

Great service access, even under the feeding and scalping unit

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General Specifications

Capacity up to	400 t
Weight	47,2 t / 52 sT
Feed opening	1100 x 700 mm / 43" x 27,5"
Feed size up to	600 mm / 23,6"

Hopper

Feed hopper in HB450 with welded HB450 wear liner	5 m³ / 6,5 yard³
Hydraulic folding hopper for transport	•
Loading height	4025 mm
Loading width (back)	2890 mm
Side loading length	4800 mm
Wear lining	HB 450 welded

Feeder & Pre-screen

Vibrating feeder, length × width	2300 × 1000 mm
Independent vibrating Double Deck pre-screen	•
Double deck pre-screen, length × width top deck	2300 × 1000 mm
Double deck pre-screen, length × width bottom deck	1750 × 1000 mm
Fine fraction either in crusher bypass or separately stockpiled by optional conveyor	•
Intermediate fraction in crusher bypass	•
Intermediate fraction either in crusher bypass or separately stockpiled by optional conveyor	•

Jaw Crusher

Weight of jaw crusher	19,6 t / 21,6 sT
Feed opening	1100 x 700 mm
Feed size up to	600 mm
Closed Side Setting C.S.S. min. - max. (outlet adjustment)	45 - 160 mm
Non Stop System, hydraulic gap adjustment and safety release system	•
Stroke swing jaw	32 mm
Plate height fixed jaw - mobile jaw	1325 - 1835 mm
Hydraulic slidable feeding unit to obtain good and easy maintenance access	•
Standard walkway besides crusher house	right side

Main Conveyor

Main conveyor belt (l × w) & (discharge height)	11400 × 1000 mm (3804 mm)
Main conveyor hydraulic foldable for transport	•

Tracks & Engine

Track-unit: Length, total width, track shoe width	3800, 2500, 400 mm
2-speed track drive	1,1 km/h and 2 km/h
Engine unit(s)	202 kW @ 1500 RPM - 222 kW to 260 kW @ 1800 RPM
Control	PLC – IP 67 LCD screen 4,3" & remote control
Smart sequential auto start/stop from remote control	•

Feeding, pre-screen & crushing

Hopper extensions	•
Screen media pre-screen	Range of punched plates for top deck and square mesh for bottom deck
Stockpiling Side belt conveyor from pre-screen l × w (discharge height)	5000 × 800 mm (2990 mm)

Other options

Dust suppression system at crusher outlet and at main conveyor	•
Deflector at crusher outlet	•
Wear resistant rubber discharge chute	•
Magnet separator on main conveyor	•
Impact and rip resistant KT Flex Belt on main conveyor	•
Main conveyor lifting/lowering system	•
Volumetric belt scale	•
Radio remote	•
Fuel filling pump	•
Central greasing system	•
Working lights	•
Telematics system UMTS/GPS	•
Heating system for engine	•

Transport L x W x H	14054 x 2992 x 3399 mm
	46'1" x 9'10" x 11'2"

Performance highlights

Available in e-drive: full hybrid diesel-electric and plug in version or ZERO-drive: full electric drive without combustion engine onboard

Hydraulic sliding frame for service access under the feeding and scalping unit

Hydraulic gap adjustment to safely prevent clogging (NSS)

Independent double deck vibrating pre-screen 2.300 x 1.000 mm (7’7" x 3’3")

Feed size up to 600 mm (24”)

Feed opening 1.100 x 700 mm (44” x 28”)

C.S.S. min. - max. 45 - 160 mm (1 3/4” - 6 1/3”)

Capacity up to 400 tonnes / hour

Optional single deck after screen 2.800 x 1.200 mm (9'2" x 3'11")

Intake hopper suitable for wheel loader and excavator, 5 m³ (6,5 yard³)

Smart sequential auto start/stop from remote

Ability to track while producing

2 speed track drive

Extensive option list to configure to your application

Applications

Concrete and landfill recycling

Construction waste

Demolition waste

Fuel Efficiency

Diesel/hydraulic*

*load sensing hydraulic system

28 l/h

Diesel/electric

22 l/h

Electric plug-in mains

88 kWh

Available drive systems

Diesel / Hydraulic

Electric only

ZERO-Drive

Benefits of using Keestrack machines

Mobiele technologie

At Keestrack we understand how important mobility is to owners and operators, and this is reflected in the design and construction of our machines. Our aim is to minimize set up times, reduce overall weight and size, and get you up and running as soon as possible.