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Main Features
1. ZG3335LC-9C hydraulic crawler excavator manufactured by Changlin carries the original Cummins C series engine which provides outstanding durability and suitability for high strength and heavy load works in harsh conditions, combined with strong power, low oil consumption and compliance with Euro II emission qualification.
2. Due to a negative flow and total power control system with action coordination, it ensures large digging force, high efficiency and perfect flexibility.
3. High strength large structural components, heavy moving arm, bucket rod and reinforced bucket enable this construction equipment to bear severe working conditions such as mine.
4. Lengthened and widened chassis boasts high intensity, making working more stable and safer.
5. The crawler  excavator is designed with an intelligent electronic monitoring system which provides real time monitoring, automatic fault diagnosis and warning, maintenance reminding functions.
6. New type driver cab is provided with a fully automatic air conditioning. It is spacious and comfortable, and comes with an eye-catching appearance. The cab is available in various protections for different working conditions.
7. Automatic refueling system is optional. One-key operation makes it easy to use.

Technical Specification:

1 Operating weight 32500kg
2 Standard bucket capacity 1.45m3
3 Arm length 4200mm
4 Boom length 6470mm
1 Model CUMMINS 6CTAA8.3-C250
2 Type Turbo-charged with inter-cooled
3 Power 186KW/2200rpm
4 Max. torque 1219N.m at 1300rpm
5 No. of cylinders 6
6 Displacement 8290cc
Dimensions (mm)
1 Overall length 11140
2 Overall width 3280
3 Overall height of boom 3280
4 Width of platform 2995
5 Overall height of cab 3130
6 Ground clearance of counterweight 1220
7 Height of engine cover 2655
8 Min. ground clearance 500
9 Length of platform 3405
10 Rear swing radius 3450
11 Track wheel base distance 4050
12 Chassis length 4940
13 Chassis width 3280
14 Track gauge 2680
15 Standard width of track shoe 600
Working Range (mm)
1 Max. digging reach 11110
2 Max. digging reach at groud level 10920
3 Max. digging depth 7380
4 Max. digging depth on ground 7215
5 Max. vertical wall digging depth 6480
6 Max. digging height 10210
7 Max. dumping height 7110
8 Min. swing radius 4310
Hydraulic System
1 Main pump:  
  Type Variable displacement axial piston pump
  Max. displacement 2×140cc/rev
  Working pressure 32.3/34.3Mpa
2 Hydraulic motor:  
  Swing Axial piston motor
  Travel Axial piston motor
1 Swing speed 9.7rpm
2 Max. travel speed H/L 5.4/3.2km/h
3 Gradeability 35°
4 Traction 308465N
5 Max. digging force of bucket 21000kgf
6 Max. digging force of arm 16100kgf
7 Ground pressure 53kpa
Tank Capacity
1 Fuel tank capacity 600L
2 Hydraulic tank capacity 275L