The Caterpillar m320f 531 wheel excavator (2017-2021) combines above-average engine power at 169 hp (126 kW) with above-average weight at 43,034 lb (19.5 t). Another useful figure is bucket capacity at 1.28 yd³ (0.98 m³).
Specification profile
2017-2021
Weight: 43,034 lb (19.5 t)Engine power: 169 hp (126 kW)Bucket capacity: 1.28 yd³ (0.98 m³)Travel speed: 21.7 mph (35 km/h)
43,034 lb (19.5 t)Weight
169 hp (126 kW)Engine power
1.28 yd³ (0.98 m³)Bucket capacity
21.7 mph (35 km/h)Travel speed
1,400 rpmEngine speed at max torque
612 lb-ft (830 Nm)Maximum torque
8.37 ft (2.55 m)Transport width
3.94 ft (1.2 m)Bucket width
How it compares
Low, average or high?
Engine power
Above average
169 hp (126 kW)
Low 54.6 hp (40.7 kW)Typical 138 hp (103 kW)High 208 hp (155 kW)
Engine power is above the typical figure.
Weight
Above average
43,034 lb (19.5 t)
Low 14,308 lb (6.49 t)Typical 38,764 lb (17.6 t)High 66,139 lb (30 t)
Weight is above the typical figure.
Bucket capacity
High
1.28 yd³ (0.98 m³)
Low 0.3 yd³ (0.23 m³)Typical 0.97 yd³ (0.74 m³)High 1.77 yd³ (1.35 m³)
Bucket capacity is well above the typical figure.
Travel speed
Above average
21.7 mph (35 km/h)
Low 12.4 mph (20 km/h)Typical 19.9 mph (32 km/h)High 24.9 mph (40 km/h)
Travel speed is above the typical figure.
Maximum torque
High
612 lb-ft (830 Nm)
Low 163 lb-ft (222 Nm)Typical 471 lb-ft (638 Nm)High 620 lb-ft (840 Nm)
Maximum torque is well above the typical figure.
Transport width
Average
8.37 ft (2.55 m)
Low 6.33 ft (1.93 m)Typical 8.48 ft (2.58 m)High 11.8 ft (3.6 m)
Transport width is close to the typical figure.
Visual overview
Key measurements
Working dimensions
Useful working and clearance measurements shown side by side.
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Material Handling ExcavatorNO
Track GuidanceNO
Air conditioningYES
BladeYES
Cabin AdjustmentNO
Diesel particulate filterNO
Overload AlertNO
Hydraulic quick hitchNO
Mechanical quick hitchNO
Overview
Model information
| Manufacturer | Caterpillar |
|---|---|
| Model | m320f 531 wheel excavator |
| Model year / production | 2017-2021 |
Full specifications
Technical details
Performance
Engine power169 hp (126 kW)
Maximum torque612 lb-ft (830 Nm)
Engine speed at max torque1,400 rpm
Tear-out Force30,799 lbf (137 kN)
Travel speed21.7 mph (35 km/h)
Dimensions
Bucket width3.94 ft (1.2 m)
Dredging Depth19.6 ft (5.98 m)
Max. Reach Horizontal30.5 ft (9.29 m)
Transport height10.9 ft (3.32 m)
Transport length29.2 ft (8.91 m)
Transport width8.37 ft (2.55 m)
Outside turning radius21 ft (6.4 m)
Capacity & weight
Bucket capacity1.28 yd³ (0.98 m³)
Weight43,034 lb (19.5 t)
Overload AlertNo
Engine & drivetrain
Cylinder bore × stroke105×135 mm
Displacement1.85 US gal (7.01 L)
Emission levelStage IV
Engine manufacturerCaterpillar
Engine typeC7.1 Acert
Number of cylinders6.0
Setup & fitment
Material Handling ExcavatorNo
Hydraulic quick hitchNo
Mechanical quick hitchNo
Standard tyres10.00-20
Features
Air conditioningYes
Diesel particulate filterNo
Other specifications
Track GuidanceNo
BladeYes
BoomVA
Cabin AdjustmentNo
Outrigger Stabilisers2 2/4-fold



