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Caterpillar TRACK EXCAVATORS 312B - catalog of spare parts

Rod / Arm Version (HEX) 1

Max. Cutting height - 27.01 feet to

Maximum loading height - 19.23 feet to

Max Reach Along the Earth - 25.56 feet to

Max vertical wall digging depth - 14.54 feet to

Maximum digging depth - 16.84 feet to

Rod / Arm Version (HEX) 2

Delivery length - 24.92 feet to

Delivery height - 9.06 feet to

Max. Cutting height - 27.81 feet to

Maximum loading height - 20 feet in

Max Reach Along the Earth - 26.83 feet to

Max vertical wall digging depth - 16.31 feet to

Maximum digging depth - 18.21 feet to

Rod / Arm Version (HEX) 3

Delivery length - 24.97 feet to

Delivery height - 9.06 feet to

Max. Cutting height - 28.53 feet to

Maximum loading height - 20.77 feet to

Max Reach Along the Earth - 28.3 feet to

Max vertical wall digging depth - 17.54 feet to

Maximum digging depth - 19.85 feet to

Dimensions 

Off track width - 8.17 feet to

Path length on earth - 9.13 feet to

Ground clearance - 1.45 feet to

Height to cab top - 9.06 feet to

Tail Swing Radius - 6.99 feet to

Chassis

Track gauge - 6.53 feet to

Shoe size - 19.69in 

7Y3428 BUSHING Caterpillar View

Specifications

Engine

Number of cylinders - four

Engine make - 2236

Engineering model - 3064T

Gross power - 91hp

Net power - 84hp

Measured power @ - 1900RPM

Displacement - 259cu in

Aspiration - Turbocharged

Boring - 4.1in

Stroke - 5.2in

Engineering model - Cat 3064T diesel engine

Flywheel power - 84hp

EEC 80/1269 - 84hp

SAE J1349 - 84hp

ISO 9249 - 84hp

Operational

Operating weight - 27410lb

Fuel Capacity - 66.1gal

Cooling system fluid volume - 4.1gal

Hydraulic system capacity - 42.8gal

Engine oil - 3.5gal

Drive capacity of the rotary drive - 0.8gal

Operating voltage - 24V

Generator current - 50amps

Hydraulic pressure relief valve pressure - 4980psi

Hydraulic pump performance - 63.5gal / min

Swing mechanism

Swing speed - 12.3rpm

Torque - 22,422 pounds feet

Chassis

Shoe size - 19.7in

Ground pressure - 5.7psi

Max. Movement speed - 3.5mph

Traction drawbar - 22930lb

Track gauge - 6.6 feet to

Weights

Operating weight - 28680lb

Buckets

Bucket base capacity - 0.6yd3

Min bucket capacity - 0.5yd3

Maximum bucket capacity - 1.1yd3

Hydraulic system

Pilot System - Maximum Flow - 4.8 gallons / min

Pilot system - maximum pressure - 570 psi

Maximum pressure - travel - 4980 psi

Maximum pressure - swing - 3340 psi

Maximum Pressure - Guns - 4340 psi

Main unit system - maximum flow (2x) - 32 gallons / min

Boom Cylinder - Hole - 4.3in

Boom Cylinder - Stroke - 40in

Stick cylinder - hole - 4.8in

Stick Cylinder - Stroke - 47in

Bucket Cylinder - Bore - 4in

Bucket Cylinder - Stroke - 37.5in

 

Rod / Arm Version (HEX) 1 - boom with 2100mm handle

Maximum digging depth - 16.9 feet to

Max Reach Along the Earth - 25.6 feet to

Max. Cutting height - 27.1 feet to

Maximum loading height - 19.3 feet to

Max vertical wall digging depth - 14.6 feet to

 

Rod / Arm Version (HEX) 2 - Arrow 14 "1 " (4300 mm) / Stick 8 `2 "(2500 mm)

Delivery height - 9.1 feet to

Delivery length - 25 feet to

Maximum digging depth - 18.3 feet to

Max Reach Along the Earth - 26.9 feet to

Max. Cutting height - 27.9 feet to

Maximum loading height - 20 feet in

Max vertical wall digging depth - 16.4 feet to

 

Rod / Arm Version (HEX) 3 - Arrow 14 "1 " (4300 mm) / Stick 9 10 "(3000 mm)

Delivery height - 9.1 feet to

Delivery length - 25 feet to

Maximum digging depth - 19.9 feet to

Max Reach Along the Earth - 28.3 feet to

Max. Cutting height - 28.6 feet to

Maximum loading height - 20.8 feet to

Max vertical wall digging depth - 17.6 feet to

Dimensions

Off track width - 8.2 feet to

Height to cab top - 9.1 feet to

Ground clearance - 1.5 feet to

Counterweight removal - 3.1 feet to

Tail Swing Radius - 7 feet in

Path length on earth - 9.2 feet to

Service replenishment options

Cooling system - 4.1gal

Fuel tank - 66gal

Last trip - every - 0.7gal

Hydraulic tank - 25.9gal

Hydraulic system - including tank - 42.8gal

Machine oil - 3.4gal

Swing Drive - every - 0.8gal

Drive unit

Maximum tractive effort - 22930lb

Travel speed - 3.4mph