- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: M322F ➔
The Caterpillar M322F is a wheeled excavator in Caterpillar's M Series, designed for roadwork, utility, material handling, and general excavation applications. It is powered by a diesel engine and built for mobility on paved surfaces, allowing travel between job sites without a trailer in many cases. The M322F typically features a hydraulic system optimized for digging, lifting, and attachment use, along with a cab configured for operator visibility and control. As an excavator, it is used in construction, municipal work, and infrastructure maintenance. Specifications may vary by region, configuration, and production year.
General Specifications
| Engine | C7.1 ACERT Starting 2021 Model Year |
| Max Travel Speed | 19.00 mph (30.58 kph) Starting 2021 Model Year |
| Net Power | 169.00 hp (126.03 kw) Starting 2021 Model Year |
| Operating Weight | 49,229.00 lbs (22,329.93 kg) Starting 2021 Model Year |
Bucket
| Bucket Capacities | 1.87 yd (1.71 m)
|
Engine
| Bore | 4.10 in (10.41 cm)
|
| Displacement | 427.80 cu in (7,010.40 cu cm)
|
| Engine Gross Power (Maximum) - ISO 14396 | 173.00 hp (129.01 kw)
|
| Engine Model | Cat C7.1 ACERT
|
| Engine Power - Maximum Gross - ISO 14396 | 128.8 kW (173 [175]*)
|
| Engine Power - Maximum Net - ISO 9249/SAE J1349 | 126 kW (169 [171]*)
|
| Maximum Torque - 1,400 rpm | 612.00 lbs ft (829.75 nm)
|
| Net Power | 169.00 hp (126.03 kw)
|
| Note | *Metric values.
|
| Number of Cylinders | 6
|
| Ratings | 1700 rpm
|
| Stroke | 5.30 in (13.46 cm)
|
Hydraulic System
| Maximum Flow - Auxiliary Circuit - High Pressure | 66.00 gpm (249.81 lpm)
|
| Maximum Flow - Auxiliary Circuit - Medium Pressure | 13.20 gpm (49.96 lpm)
|
| Maximum Flow - Implement/Travel Circuit | 94.00 gpm (355.79 lpm)
|
| Maximum Flow - Swing Mechanism | 31.20 gpm (118.09 lpm)
|
| Maximum Pressure - Auxiliary Circuit - High Pressure | 5076 psi
|
| Maximum Pressure - Auxiliary Circuit - Medium Pressure | 2683 psi
|
| Maximum Pressure - Implement Circuit - Normal | 5076 psi
|
| Maximum Pressure - Implement Circuit - Normal and Travel Circuit | 5076 psi
|
| Maximum Pressure - Swing Mechanism | 4496 psi
|
| Swing Mechanism | 4496 psi
|
| System | 107.00 gal (405.00 l)
|
| Tank Capacity | 52.80 gal (199.85 l)
|
Service Refill Capacities
| Cooling System | 12.40 gal (46.93 l)
|
| Diesel Exhaust Fluid Tank | 9.10 gal (34.44 l)
|
| Engine Crankcase | 4.90 gal (18.55 l)
|
| Final Drive | 0.70 gal (2.65 l)
|
| Front Steering Axle - Differential | 2.90 gal (10.98 l)
|
| Fuel Tank - Total Capacity | 111.00 gal (420.14 l)
|
| Powershift Transmission | 0.70 gal (2.65 l)
|
| Rear Axle - Housing (Differential) | 3.70 gal (14.00 l)
|
Swing Mechanism
| Maximum Swing Torque | 43988 lb ft (13,407.54 m)
|
| Swing Speed | 9 rpm
|
| Swing Torque | 39,220.00 lbs ft (53,174.48 nm)
|
Tires
| Optional | 10.00-20 (Dual Solid Rubber)
|
| Standard | 11.00-20 (Dual Pneumatic)
|
Transmission
| Creeper Speed - 1st Gear | 1.90 mph (3.06 kph)
|
| Creeper Speed - 2nd Gear | 5.60 mph (9.01 kph)
|
| Drawbar Pull | 28,550.70 lbs (12,950.40 kg)
|
| Forward/Reverse - 1st Gear | 5.60 mph (9.01 kph)
|
| Forward/Reverse - 2nd Gear | 18.60 mph (29.93 kph)
|
| Maximum Forward/Reverse - 2nd Gear | 19.00 mph (30.58 kph)
|
Undercarriage
| Ground Clearance | 1.20 ft (0.37 m)
|
| Oscillation Axle Angle | 8.5 degrees
|
Weights
| One-Piece Boom - Front and Rear Outriggers | 47,884.00 lbs (21,719.84 kg)
|
| One-Piece Boom - Rear Dozer, Front Outriggers | 47,377.00 lbs (21,489.87 kg)
|
| VA Boom - Front and Rear Outriggers | 49,229.00 lbs (22,329.93 kg)
|
| VA Boom - Rear Dozer, Front Outriggers | 48,722.00 lbs (22,099.95 kg)
|
Working Ranges
| Maximum Digging Depth | 21.80 ft (6.64 m)
|
| Maximum Reach - Ground Level | 33.80 ft (10.30 m)
|