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Specifications
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Standard/Optional Equipment
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360° Tours
- Catalog
Engine
Engine Power - ISO 14396:2002
173hp
Engine Model
Cat® C7.1
Bore
4.1in
Displacement
427.8in³
Stroke
5.3in
Engine Emissions
Meets U.S. EPA Tier 3 and EU Stage IIIA emission standards.
Note (1)
The M320 meets Tier 3 and Stage IIIA emission standards. Net power is tested per ISO 9249:2007. Standards in effect at the time of manufacture. Net power available at flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 2,000 rpm.
Note (2)
No engine power derating required below 3,000 m (9,843 ft) altitude.
Note (3)
Recommended for use up to 3000 m (9,843 ft) altitude with engine power derate above 3000 m (9,840 ft).
Note (4)
Rated speed at 2,000 rpm.
Hydraulic System
Main System - Maximum Flow - Implement
74gal/min
Maximum Pressure - Equipment
5076psi
Maximum Pressure - Swing
4496psi
Maximum Pressure - Travel
5076psi
Swing Mechanism
Maximum Swing Torque
32116ft·lbf
Maximum Swing Speed
9.2r/min
Machine Weight
Operating Weight Maximum
42990lb
Operating Weight Minimum
41890lb
Note (1)
Operating weight includes medium stick, 4000 kg counterweight, full fuel tank, operator, 245 kg quick coupler, 695 kg bucket and dual pneumatic tires. Weight varies depending on configuration.
Service Refill Capacities
Cooling System
9.6gal (US)
Final Drive
0.7gal (US)
Fuel Tank
101.7gal (US)
Hydraulic System - Including Tank
71gal (US)
Hydraulic Tank
44.9gal (US)
Dimensions
Boom
5350 mm (17'7")
Bucket
GD 0.91 m³ (1.19 yd³)
Stick
2.5 m (8'2")
Counterweight Clearance
4.2ft
Shipping Height - Top of Cab
10.8ft
Shipping Length
29.4ft
Tail Swing Radius
8.4ft
Working Ranges and Forces
Boom Type
One-Piece Boom
Bucket
GD 0.91 m³ (1.19 yd³)
Stick
2.5 m (8'2")
Digging Height
29.3ft
Dump Height
20.2ft
Reach at Ground Level
30.5ft
Vertical Wall Digging Depth
12.9ft
Note (1)
Range values are calculated with a bucket (1200GD-CW30) (0.91 m3) with TIP GP-GEN DUTY (K80) and CW-30 quick coupler with a tip radius of 1535 mm (5'5").
Air Conditioning System
Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes.
Drive
Maximum Travel Speed
23mile/h
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL SYSTEM
Alternator, 75 A
Boom working light
Cab mounted working lights, front and rear
Roading and indicator lights, front and rear
Main shut-off switch
Maintenance free batteries
ENGINE
Cat® C7.1 Single Turbo diesel engine - meets U.S. EPA Tier 4 Final and EU Stage emission standards.
Power mode selector
Air filter/fuel filter
Automatic engine speed control
Automatic starting aid
Work up to 3000 m (9,842 ft) above sea level without engine power de-rating
Fuel/water separator with level indicator
Muffler
HYDRAULIC SYSTEM
Heavy lift mode
Separate dedicated swing pump
Stick regeneration circuit
Variable displacement, load sensing hydraulic system
Automatic swing brake
Capability to add auxiliary hydraulic circuits
Cat XT-6 ES hoses
Adjustable hydraulic sensitivity
Oil cooler
Anti-drift valve for bucket cylinder
Hydraulic mineral oil, Cat HYDO™ advanced 10 oil
Load sensing hydraulic system
SAFETY AND SECURITY
Camera mounted on counterweight
Mirrors, frame and cab
Travel alarm
Signal/warning horn
SERVICE AND MAINTENANCE
Sampling ports for Scheduled Oil Sampling (SOS)
Caterpillar Datalink and Electronic Technician capability
Door locks and cab locks with Caterpillar one-key security system
CAT TECHNOLOGIES
Cat Product Link™
UNDERCARRIAGE AND STRUCTURES
Creeper speed/ four wheel drive
Heavy-duty axles, advanced disc brake system and travel motor, adjustable braking force
Parking brake
Oscillating front axle, lockable, with remote greasing point
Full hydraulic steering with emergency capability
Steps with tool box in undercarriage (left and right)
Two-piece drive shaft
Two speed hydrostatic transmission
Counterweight (4000 KG-8818 lb)
BOOM AND STICKS
One-Piece Boom
2.5 m (8'2'') stick
2.8 m (9'2'') stick
Bucket linkage with diverter valve
BOOM AND STICKS
One-Piece Boom
2.5 m (8'2'') stick
2.8 m (9'2'') stick
Bucket linkage with diverter valve
BOOM AND STICKS
One-Piece Boom
2.5 m (8'2'') stick
2.8 m (9'2'') stick
Bucket linkage with diverter valve
BOOM AND STICKS
One-Piece Boom
2.5 m (8'2'') stick
2.8 m (9'2'') stick
Bucket linkage with diverter valve
BOOM AND STICKS
One-Piece Boom
2.5 m (8'2'') stick
2.8 m (9'2'') stick
Bucket linkage with diverter valve