M320
A quiet cab and efficient power systems mean happier operators and more profit from every task you throw at the Cat® M320 Wheeled Excavator. Built to take on the toughest conditions, the M320 offers optional configurations and attachments to handle most any job site need.
Engine Model
Cat® C4.4
Bore
4.1 in
Displacement
427.8 in³
Specification
Value
Engine Model
Cat® C4.4
Bore
4.1 in
Displacement
427.8 in³
Stroke
5.3 in
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.
Specification
Value
Maximum Pressure - Equipment
5076 psi
Maximum Pressure - Swing
4496 psi
Maximum Pressure - Travel
5076 psi
Specification
Value
Maximum Swing Torque
32116 ft·lbf
Maximum Swing Speed
9.2 r/min
Specification
Value
Operating Weight Maximum
42990 lb
Operating Weight Minimum
41890 lb
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.
Specification
Value
Cooling System
9.6 gal (US)
Fuel Tank
101.7 gal (US)
Hydraulic System - Including Tank
71 gal (US)
Hydraulic Tank
44.9 gal (US)
Specification
Value
Boom
5350 mm (17'7")
Bucket
GD 0.91 m³ (1.19 yd³)
Stick
2.5 m (8'2")
Counterweight Clearance
4.2 ft
Shipping Height - Top of Cab
10.8 ft
Shipping Length
29.4 ft
Tail Swing Radius
8.4 ft
Specification
Value
Boom Type
One-Piece Boom
Bucket
GD 0.91 m³ (1.19 yd³)
Stick
2.5 m (8'2")
Digging Height
29.3 ft
Dump Height
20.2 ft
Reach at Ground Level
30.5 ft
Vertical Wall Digging Depth
12.9 ft
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").
Specification
Value
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.
Specification
Value
Maximum Travel Speed
23 mile/h
- Cat® C7.1 engine meets EU Stage IIIA equivalent emission standards.
- Engine fuel system designed to manage world-wide fuel quality and provide outstanding low fuel consumption during both working and traveling applications.
- One-Touch Low Idle Control and Automatic Engine Speed Control reduces engine speed if no operation is performed, reducing fuel consumption and sound levels.
- Three working modes: Power mode, Eco Mode and Travel mode.
- Constant Power Strategy, providing a quick response to changing loads, while delivering the same amount of power.
- Choice of various booms and sticks provides the right balance of reach and digging forces for all applications.
- Dedicated Swing Pump allows faster and smoother combined movements when using the implements while swinging.
- Multiple configurations meet all your applications needs, with a choice of booms, sticks, blade and/or stabilizer undercarriages.
- Highly mobile, the M320 can travel up to 37 km/h.
- Standard one-way high pressure hydraulics allow customers to install attachments like hammers without adding other lines.
- Ten hydraulic pump flow and pressure settings can be preset within the monitor allowing quicker and easier attachment (optional).
- A lifting eye into the bucket linkage, the heavy lift mode and the overload warning signal allow operators to safely lift heavy loads.
- Wide range of Cat attachments to handle any job at hand.
- ROPS cab structure and Operator Protective Guards (top and front guards) are available.
- Ergonomically designed cab with controls kept to a minimum, conveniently located and easy to operate.
- The optional air-suspension seat, with automatic weight adjustment and heated cushions enhance comfort and productivity.
- Safety is enhanced by the all-round visibility provided by large glass areas and skylight and the standard rear-mounted camera image displayed on the full color monitor.
- Low sound levels, as a result of the variable fan speed and remote cooling system enabling.
- 500 hours fuel filter replacement (reduced to 250 hours if fuel quality is sub-standard) allows reduced maintenance cost.
- All daily maintenance points are accessible from ground level.
- Clean design, with colored and numbered electrical wires, protected by thick braiding for ease of service.
- Greasing points are centralized and kept to a minimum.
- Cat XT™-6 ES hoses are resistant and durable, which reduce the risk of leaks that can reduce the performance of the machine.
- Rigidity and long life with effective transmission protection and heavy duty axle.
- Standard heavy duty batteries for improved cold start capability.
- Cat technology solutions increase production and minimize operating costs. Link technologies wirelessly connect you to your job site, providing machine location, hours, fuel usage, idle time
and event codes.
General Duty Bucket 600 mm (24 in): 462-8166
General Duty - Leveling Edge Bucket 800 mm (31 in): 485-7622
General Duty - Leveling Edge Bucket 650 mm (25 in): 485-7621
General Duty - Leveling Edge Bucket 1000 mm (39 in): 477-3378
General Duty - Leveling Edge Bucket 1300 mm (51 in): 477-3380
General Duty - Leveling Edge Bucket 1200 mm (47 in): 477-3379
General Duty - Leveling Edge Bucket 1400 mm (55 in): 477-3381
General Duty - Leveling Edge Bucket 1500 mm (59 in): 477-3382
General Duty Bucket 600 mm (24 in): 550-9376
General Duty Bucket 1300 mm (51 in): 550-9349
General Duty Bucket 1200 mm (48 in): 550-9348
General Duty Bucket 1100 mm (43 in): 550-9347
General Duty Bucket 900 mm (36 in): 550-9378
General Duty Bucket 1200 mm (48 in): 550-9380
General Duty Bucket 1100 mm (43 in): 550-9379
General Duty Bucket 1400 mm (55 in): 550-9382
General Duty Bucket 1200 mm (48 in): 571-2870
General Duty Bucket 900 mm (36 in): 571-2868
General Duty Bucket 600 mm (24 in): 571-2867
General Duty Bucket 450 mm (18 in): 571-2877
General Duty Bucket 900 mm (36 in): 571-2881
General Duty Bucket 1100 mm (43 in): 571-2869
General Duty Bucket 750 mm (30 in): 571-2880
General Duty - Leveling Edge Bucket 996 mm (39 in): 455-0747
General Duty - Leveling Edge Bucket 790 mm (31 in): 455-0746
General Duty Bucket 500 mm (20 in): 571-2890
General Duty Bucket 600 mm (24 in): 571-2891
General Duty Bucket 600 mm (24 in): 571-2886
General Duty - Leveling Edge Bucket 690 mm (27 in): 491-0536
General Duty Bucket 1000 mm (40 in): 571-2892
General Duty Bucket 1100 mm (43 in): 571-2893
General Duty - Leveling Edge Bucket 1184 mm (47 in): 490-0055
General Duty Bucket 1200 mm (48 in): 571-2942
General Duty Bucket 1200 mm (48 in): 571-2894
Heavy Duty Bucket 1200 mm (48 in): 573-5012
Heavy Duty Bucket 900 mm (36 in): 573-5002
Heavy Duty Bucket 1200 mm (48 in): 571-2927
Heavy Duty Bucket 500 mm (20 in): 571-2929
Heavy Duty Bucket 1200 mm (48 in): 550-9417
Heavy Duty Bucket 1300 mm (51 in): 550-9418
Heavy Duty Bucket 1050 mm (42 in): 573-5003
Heavy Duty Bucket 1200 mm (48 in): 573-5009
Heavy Duty Bucket 1200 mm (48 in): 571-2926
Heavy Duty Bucket 1200 mm (48 in): 571-2928
Ditch Cleaning Bucket 1800 mm (72 in): 439-7341
Ditch Cleaning Bucket 1800 mm (72 in): 439-7332
Ditch Cleaning Bucket 2000 mm (78 in): 439-7311
Ditch Cleaning Bucket 1800 mm (72 in): 442-1786
Skeleton - Light Duty Bucket 1200 mm (48 in): 369-7337
Skeleton - General Duty Bucket 1250 mm (49 in): 445-0954
Grading Bucket 1600 mm (63 in): 512-8410
Grading Bucket 1500 mm (59 in): 512-8396
Trenching Bucket 540 mm (21 in): 512-8411
Trenching Bucket 660 mm (26 in): 512-8399
Utility Duty Bucket 500 mm (20 in): 351-3349
Utility Duty Bucket 650 mm (26 in): 187-7672
Utility Duty Bucket 650 mm (26 in): 187-7673
Utility Duty Bucket 650 mm (26 in): 326-1031
Utility Duty Bucket 1000 mm (39 in): 226-2139
Utility Duty Bucket 1000 mm (39 in): 220-1045
Utility Duty Bucket 1100 mm (43 in): 226-2140
Utility Duty Bucket 1100 mm (43 in): 226-2143
Utility Duty Bucket 1110 mm (44 in): 376-0340
Ditch Cleaning Tilt Bucket 1800 mm (72 in): 509-9135
CVP75
CW-30S
CW-30S
CW-30
CW-30
G318 Demolition & Sorting Grapple: 587-8965
G317 GC Demolition & Sorting Grapple: 587-8721
G318 WH Demolition & Sorting Grapple: 587-8970
G318 WH Demolition & Sorting Grapple: 587-8975
CTV15-1000 Clamshell Grapple
CTV15-1200 Clamshell Grapple
GSH420 4-Tine, 500-Liter Orange Peel Grapple
GSH420 4-Tine, 600-Liter Orange Peel Grapple
GSH420 4-Tine, 750-Liter Orange Peel Grapple
GSH520 5-Tine, 500-Liter Orange Peel Grapple
GSH520 5-Tine, 600-Liter Orange Peel Grapple
GSH520 5-Tine, 750-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 400-Liter Orange Peel Grapple
GSH525 5-Tine, 750-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 500-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 600-Liter Orange Peel Grapple
GSV520 GC 5-Tine, 750-Liter Orange Peel Grapple
GSV520 5-Tine, 400-Liter Orange Peel Grapple
GSV520 5-Tine, 500-Liter Orange Peel Grapple
GSV520 5-Tine, 600-Liter Orange Peel Grapple
GSV520 5-Tine, 750-Liter Orange Peel Grapple
GSV525 5-Tine, 600-Liter Orange Peel Grapple
GSV525 5-Tine, 750-Liter Orange Peel Grapple
GSV525 5-Tine, 950-Liter Orange Peel Grapple
H120 GC
H120 GC S
H115 S
H120 S
H130 S
MP318 Demolition Jaw
MP318 Universal Jaw
MP318 Shear Jaw
S3025 Rotating Scrap & Demolition Shear
Cat® Detect with Smart Camera
Cat® Detect with Surround Cameras
G318 WH Demolition & Sorting Grapple: 587-8976
G318 Demolition & Sorting Grapple: 595-1393
G317 GC Demolition & Sorting Grapple: 587-8720
G318 Demolition & Sorting Grapple: 587-8966
GSH425 4-Tine, 1150-Liter Orange Peel Grapple
GSH425 4-Tine, 750-Liter Orange Peel Grapple
GSH425 4-Tine, 950-Liter Orange Peel Grapple
GSH525 5-Tine, 950-Liter Orange Peel Grapple
MP318 Concrete Cutter Jaw