Caterpillar 345C MH


Counterweight Clearance4.80 ft (1 m)
Ground Clearance2.40 ft (1 m)
Height - Top of Exhaust11.80 ft (4 m)
Operating Height - To Top of Cab (Fixed)17.80 ft (5 m)
Operating Width14.70 ft (4 m)
Rear - Carrier to End of Boom45.50 ft (14 m)
Shipping Height - Cab Tipped11.90 ft (4 m)
Shipping Length45.50 ft (14 m)
Shipping Width13.10 ft (4 m)
Tail Swing Radius12.30 ft (4 m)


Maximum Drawbar Pull74,380 lbs (33,739 kg)
Maximum Travel Speed2.70 mph (4 kph)


Bore5.10 in (13 cm)
Displacement763 cu in (0 m)
Engine ModelCat C13 ACERT
Net Flywheel Power345 hp (257 kw)
Net Power - EEC 80/1269345 hp (257 kw)
Net Power - ISO 9249345 hp (257 kw)
Net Power - SAE J1349345 hp (257 kw)
Stroke6.20 in (16 cm)

Hydraulic System

Generator Auxiliary Pump Maximum Flow43 gal/min (163 l/min)
Generator Auxiliary Pump Maximum Pressure4,000 psi
Maximum Flow - Each of Two Pumps95 gal/min (360 l/min)
Maximum Pressure - Implements4,982 psi
Maximum Pressure - Swing4,554 psi
Maximum Pressure - Travel4,982 psi
Pilot System - Maximum Flow11.36 gal/min (43 l/min)
Pilot System - Maximum Pressure596 psi
Rotate Circuit for Grapple Maximum Flow11 gal/min (42 l/min)
Rotate Circuit for Grapple Operating Pressure4,000 psi

Operating Specifications

Cab Riser - Fixed6.50 ft (2 m)
Generator Set33.50 hp (25 kw)


Maximum Drawbar Pull74,411.80 lbs (33,753 kg)

Service Refill Capacities

Cooling System16 gal (61 l)
Engine Oil11.60 gal (44 l)
Final Drive - Each4 gal (15 l)
Fuel Tank186 gal (704 l)
Hydraulic System - Including Tank150 gal (568 l)
Hydraulic Tank64 gal (242 l)
Swing Drive2.60 gal (10 l)

Swing Mechanism

Swing Speed8.60 rpm
Swing Torque109,900 lbs/ft


Overall Track Length17.60 in (45 cm)
Rollers - Each Side9
Shoes Per Side52


Counterweight26,455 lbs (12,000 kg)
Operating Weight126,615 lbs (57,432 kg)
Two-Piece Front - With Cylinders19,080 lbs (8,655 kg)
Undercarriage - Including Carbody46,690 lbs (21,178 kg)
Upper34,390 lbs (15,599 kg)

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