Tata Hitachi Ex 1900- 6 Base

Specifications of Tata Hitachi Ex 1900- 6 Base

Engine

• Aspiration Water-cooled, 12-cylinder, turbocharged and aftercooled, direct-injection chamber-type diesel engine
• Batteries 4 x 12 V, 4 x 220 AH
• Bore and stroke 159 mm x 159 mm (6.3 in. x 6.3 in.)
• Cooling System Ether aided
• Engine Make/Model Cummins QSKTA38-CE
• Gradeability 58% (30°) maximum
• Gross (SAE J1995) 810 kW (1,086 hp) @ 1800 min-1 (rpm)
• ISO 9249, SAE J1349 net 775 kW (1,039 hp) @ 1800 min-1 (rpm)
• Maximum Torque 4725 Nm (482 kgf-m) @ 1300 min-1 (rpm)
• Piston displacement . 37.8 L (2,307 cu. in.)
• Starting System 24 V electric motor
• Type 4 cycle

Service Refill Capacities

• Engine Coolant 395 L (104 gal.)
• Engine Oil 166 L (44 gal.)
• Fuel Tank 4140 L (1,094 gal.)
• Hydraulic oil tank 1050 L (277 gal.)
• Hydraulic System 2200 L (581 gal.)
• Pump transmission device 26 L (7 gal.)
• Travel device 2 x 70 L (2 x 18 gal.)

Specifications

• Swing Speed 4.7 min-1 (rpm)

Hydraulic System

• Implement Circuit 29.4 MPa (300 kgf/cm2 ) (4,264 psi)
• Pilot circuit 4.4 MPa (45 kgf/cm2 ) (640 psi)
• Swing circuit 29.4 MPa (300 kgf/cm2 ) (4,264 psi)
• Travel circuit 29.4 MPa (300 kgf/cm2 ) (4,264 psi)

Undercarriage

• Tractor-Type Undercarriage Triple grouser shoes specially heat treated cast steel Shoe width 800 mm (32 in.)

OPERATOR’S CAB

• Eye-level height 6030 mm (19 ft. 9 in.)
• Noise level 72 dB(A) in the cab at maximum engine speed under no-load condition

Buckets

• Capacity (SAE heaped 2:1) 11.0 m3 (14.4 cu. yd.)
• Materials density 1800 kg/m3 (3,034 lb./cu. yd.) or less
• Number of Teeth 6
• Type Bottom-dump-type general purpose
• Weight 15 100 kg (33,290 lb.)
• Width 3260 mm (10 ft. 8 in.)

Working Ranges

• Arm crowding force 720 kN / 73 420 kgf (161,862 lbf.)
• Bucket Capacity (SAE Heaped 2:1) 11.0 m3 (14.4 cu. yd.)
• Bucket digging force 754 kN / 76 890 kgf (169,506 lbf.)
• Max bucket opening width 2100 mm (6 ft. 11 in.)
• Max cutting height 14 610 mm (47 ft. 11 in.)
• Max digging depth 5920 mm (19 ft. 5 in.)
• Max digging reach 13 430 mm (44 ft. 1 in.)
• Max dumping height 10 440 mm (34 ft. 3 in.)
• Min digging distance 5550 mm (18 ft. 3 in.)
• Min level crowding distance 7650 mm (25 ft. 1 in.) C Level crowding distance 4820 mm (15 ft. 10 in.)
• Working radius at max dumping height 6890 mm (22 ft. 7 in.)

DRIVE

• Maximum traction force 941.5 kN / 96 000 kgf (211,644 lbf.)

CONTROLLER

• Two Implement Levers Electric joystick control levers. Right lever is for boom and bucket control, left lever for swing and arm control. 2 pedals provided for opening/closing the bottom dump bucket.
• Two Travel Levers with Pedals Remote-controlled hydraulic servo system. Independent drive at each track allows counter rotation of tracks.

HYDRAULIC FILTRATION

• Bypass filter (in oil cooler by-pass line) 1 5 µm
• Drain filter (for all plunger-type pumps and motors) l 10 µm
• Full-flow filter 3 10 µm
• High-pressure strainer (in main and swing pump line) 3 120 µm
• Hydraulic Filters All hydraulic circuits have high-quality hydraulic filters for protection against oil contamination and longer life of hydraulic components. Filters are centralized for convenient maintenance.
• Pilot filter 10 µm

HYDRAULIC SYSTEMS

• Additional Features Fuel-saving Pump System (FPS) minimizes energy loss with superior performance in fine control Auto-idle system saves fuel and reduces noise Hydraulic drive cooling-fan system for oil cooler Forced-lubrication and forced-cooling pump drive system
• Computer-Aided Engine-Pump Control System (E-P Control) Main pumps regulated by electric engine speed sensing control system.
• Hydraulic Cylinders High-strength piston rods and tubes adopted. Cylinder cushion mechanisms are provided for boom, arm, bucket and dump cylinders. Bucket cylinders of loading shovel are provided with protector.
• Main Pumps 6 variable-displacement, axial piston pumps for front attachment, travel and swing Maximum oil flow 6 x 335 L/min (6 x 88.5 gal./min.)
• Optimum Hydraulic System (OHS) Three tandem-axial piston pump groups (six pumps in total), supply a three-valve hydraulic system enabling both independent and combined operations of all functions.
• Pilot Pump Gear pump Maximum oil flow 110 L/min (29.06 gal./min.)

Loading Sections

• Cylinder Dimensions (Loading Shovel) Arm Bore 240 mm (9.4 in.)
• Cylinder Dimensions (Loading Shovel) Arm Quantity 1
• Cylinder Dimensions (Loading Shovel) Arm Rod Diameter 180 mm (7.1 in.)
• Cylinder Dimensions (Loading Shovel) Boom Bore 280 mm (11 in.)
• Cylinder Dimensions (Loading Shovel) Boom Quantity 2
• Cylinder Dimensions (Loading Shovel) Boom Rod Diameter 200 mm (7.9 in.)
• Cylinder Dimensions (Loading Shovel) Bucket Bore 225 mm (8.9 in.)
• Cylinder Dimensions (Loading Shovel) Bucket Quantity 2
• Cylinder Dimensions (Loading Shovel) Bucket Rod Diameter 170 mm (6.7 in.)
• Cylinder Dimensions (Loading Shovel) Dump Bore 190 mm (7.5 in.)
• Cylinder Dimensions (Loading Shovel) Dump Quantity 2
• Cylinder Dimensions (Loading Shovel) Dump Rod Diameter 110 mm (4.3 in.)
• Cylinder Dimensions (Loading Shovel) Level Bore 280 mm (11 in.)
• Cylinder Dimensions (Loading Shovel) Level Quantity 1
• Cylinder Dimensions (Loading Shovel) Level Rod Diameter 200 mm (7.9 in.)

DIESEL ENGINES

• Emission Certification U.S. EPA Tier 2

BACKHOES

• Cylinder Dimensions Arm Bore 250 mm (9.8 in.)
• Cylinder Dimensions Arm Quantity 2
• Cylinder Dimensions Arm Rod Diameter 170 mm (6.7 in.)
• Cylinder Dimensions Boom Bore 280 mm (11 in.)
• Cylinder Dimensions Boom Quantity 2
• Cylinder Dimensions Boom Rod Diameter 200 mm (7.9 in.)
• Cylinder Dimensions Bucket Bore 200 mm (7.9 in.)
• Cylinder Dimensions Bucket Quantity 2
• Cylinder Dimensions Bucket Rod Diameter 150 mm (5.9 in.)