Cat 308e2 8 Ton Mini Backhoe Digger Hydraulic Crawler Excavator

• After-sales Service: Yes
• Warranty: 1 Year or 2000 Working Hours
• Type: Crawler Excavator
• Usage: Special Excavator, Marine Excavator, Mining Excavator, GM Excavator
• Bucket: Backhoe
• Transmission: Hydraulic Transmission
• Model NO.: 308E2
• Drive Type: Internal Combustion Drive
• Bucket Capacity: 0.1~0.5m³
• Size: Small-Scale
• Certification: CE, ISO9001: 2000
• Condition: New
• Engine Model: Cat C3.3b
• Net Flywheel Power: 39.7 Kw
• Maximum Operating Weight: 8400 Kg
• Dig Depth: 4150 mm
• Maximum Reach at Ground Level: 6820 mm
• Maximum Reach: 7020 mm
• Maximum Dig Height: 6640 mm
• Maximum Dump Clearance: 4670 mm
• Maximum Blade Depth: 320 mm
• Transport Package: Suitable Package for Shipment
• Specification: CE, ISO
• Trademark: CAT
• Origin: Shanghai, China
• HS Code: 84295212
• Production Capacity: 100 Units/Month

Product Description

Cat 308e2 8 Ton Mini Backhoe Digger Hydraulic Crawler Excavator 
 

ENGINE

• Cat C3.3B diesel engine (meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards)
• Automatic engine idle
• Automatic engine shut-off
• Automatic two speed travel
• Diesel Particulate Filter (North America only)
• Diesel Oxidation Catalyst (North America only)
• Fuel and water separator
• Power on demand

HYDRAULIC SYSTEM

• 1-way and 2-way (combined function)
• Accumulator
• Automatic swing parking brake
• Auxiliary hydraulic lines
• Adjustable auxiliary relief
• Auxiliary line quick disconnects
• Cat interlock system: hydraulic lockout
• Continuous auxiliary flow
• Ecology drain
• Hydraulic oil cooler
• High definition hydraulics
• Load sensing/flow sharing

OPERATOR ENVIRONMENT

• 100% pilot control ergonomic joysticks
• Adjustable armrests
• Air conditioning/heat
• COMPASS: complete, operation, maintenance, performance and security system
• Cup holder
• High back suspension seat, heated
• Hydraulic neutral lockout bar
• Interior light
• Literature holder
• Pattern changer (optional in Europe)
• Radio (optional in Europe)
• Site reference system: leveling
• Tool storage area
• Travel control pedals with hand levers
• Washable floor mat
• Windshield wiper

ENGINE

Engine Model	Cat® C3.3B
Net Power	48.5 kW
Bore	94.0 mm
Displacement	3.33 l
Gross Power - ISO 14396	49.7 kW
Net Power - ISO 9249	48.5 kW
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269	48.5 kW
Stroke	120.0 mm
Emissions	Meets U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.

WEIGHTS

Operating Weight	8400.0 kg
Operating Weight - With Cab	8400.0 kg
Note (1)	Weight with rubber tracks, bucket, operator (75 kg/165 lb), full fuel and auxiliary lines.
Note (2)	Weight varies depending on machine configuration.

TRAVEL SYSTEM

Ground Pressure	36.3 kPa
Gradeability - Maximum	30°
Maximum Traction Force - High Speed	37.4 kN
Maximum Traction Force - Low Speed	64.5 kN
Travel Speed - High	5.1 km/h
Travel Speed - Low	2.8 km/h
Note (1)	Each track is driven by one independent 2-speed motor.
Note (2)	Drive modules are integrated into the roller frame for total protection.
Note (3)	Straight line travel when tracking and operating the front linkage simultaneously.

HYDRAULIC SYSTEM

Auxiliary Circuit - Primary (280 bar/4,061 psi)	128.0 l/min
Auxiliary Circuit - Secondary (280 bar/4,061 psi)	64.0 l/min
Digging Force - Bucket	60.2 kN
Digging Force - Stick - Long	35.1 kN
Digging Force - Stick - Standard	40.1 kN
Operating Pressure - Equipment	28000.0 kPa
Operating Pressure - Swing	24000.0 kPa
Operating Pressure - Travel	28000.0 kPa
Pump Flow at 2,000 rpm	150.0 l/min
Note	Load sensing hydraulics with variable displacement piston pump.

SWING SYSTEM

Machine Swing Speed	11.0 r/min
Boom Swing - Left	60°
Boom Swing - Right	50°
Note	Automatic swing break, spring applied, hydraulic release.

BLADE

Width	2320.0 mm
Height	450.0 mm
Dig Depth	360.0 mm
Lift Height	380.0 mm

SERVICE REFILL CAPACITIES

Cooling System	14.0 l
Engine Oil	11.2 l
Hydraulic Tank	82.0 l
Fuel Tank	125.0 l
Hydraulic System	94.0 l

OPERATING SPECIFICATIONS

Counterweight	251.0 kg
Machine Overhang	279.4 mm
Machine Overhang with Counterweight	406.0 mm
Maximum Dig Depth	4150.0 mm
Stick Length - Long	2210.0 mm
Stick Length - Standard	1670.0 mm

CAB

Average Exterior Sound Pressure	99 dB(A) ISO 6395 - Dynamic Test
Dynamic Operator Sound Pressure	70 dB(A) ISO 6396

AIR CONDITIONING SYSTEM

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg (2.9 lb) of refrigerant which has a CO2 equivalent of 1.9 metric tonnes (4,189 lb).