Caterpillar M315D Excavator Specs

Category: Excavators ➔
Manufacturer: Caterpillar ➔
Model: M315D ➔

The Caterpillar M315D is a wheeled excavator in Caterpillar's M Series, designed for urban construction, utility work, road maintenance, and material handling. It is powered by a diesel engine and equipped with a hydraulic system optimized for digging, lifting, trenching, and attachment use. The M315D features a wheeled undercarriage for travel between job sites and improved mobility on paved surfaces. Typical configurations include a cab with operator controls, boom and stick options, and support for various buckets and work tools. The model is used in applications requiring maneuverability, transport efficiency, and versatile excavation performance.

Boom/Stick Excavator Option 1

Caterpillar M315D Excavator Boom/Stick Excavator Option 1 specifications
Max Digging Depth	19.30 ft (5.88 m)
Max Reach Along Ground	30.00 ft (9.14 m)

Boom/Stick Mobile Excavator Option 1

Caterpillar M315D Excavator Boom/Stick Mobile Excavator Option 1 specifications
Max Cutting Height	33.00 ft (10.06 m)
Max Digging Depth	18.40 ft (5.61 m)
Max Loading Height	22.90 ft (6.98 m)
Max Reach Along Ground	29.30 ft (8.93 m)
Max Vertical Wall Dig Depth	12.30 ft (3.75 m)
Shipping Height of Unit	10.40 ft (3.17 m)
Shipping Length of Unit	27.90 ft (8.50 m)

Boom/Stick Mobile Excavator Option 2

Caterpillar M315D Excavator Boom/Stick Mobile Excavator Option 2 specifications
Max Cutting Height	34.10 ft (10.39 m)
Max Digging Depth	20.00 ft (6.10 m)
Max Loading Height	24.00 ft (7.32 m)
Max Reach Along Ground	30.80 ft (9.39 m)
Max Vertical Wall Dig Depth	13.50 ft (4.11 m)
Shipping Height of Unit	10.40 ft (3.17 m)
Shipping Length of Unit	27.80 ft (8.47 m)

Boom/Stick Mobile Excavator Option 3

Caterpillar M315D Excavator Boom/Stick Mobile Excavator Option 3 specifications
Max Cutting Height	29.50 ft (8.99 m)
Max Digging Depth	17.70 ft (5.39 m)
Max Loading Height	19.70 ft (6.00 m)
Max Reach Along Ground	28.60 ft (8.72 m)
Max Vertical Wall Dig Depth	11.60 ft (3.54 m)
Shipping Height of Unit	10.40 ft (3.17 m)
Shipping Length of Unit	27.30 ft (8.32 m)

Boom/Stick Mobile Excavator Option 4

Caterpillar M315D Excavator Boom/Stick Mobile Excavator Option 4 specifications
Max Cutting Height	33.00 ft (10.06 m)
Max Digging Depth	18.40 ft (5.61 m)
Max Loading Height	22.90 ft (6.98 m)
Max Reach Along Ground	29.30 ft (8.93 m)
Max Vertical Wall Dig Depth	12.30 ft (3.75 m)
Shipping Height of Unit	10.40 ft (3.17 m)
Shipping Length of Unit	27.90 ft (8.50 m)

Bucket

Caterpillar M315D Excavator Bucket specifications
Bucket Capacities	1.65 cu yd (1.26 cu m)
Maximum Bucket Capacity	1.50 cu yd (1.15 cu m)
Minimum Bucket Capacity	0.50 cu yd (0.38 cu m)
Reference Bucket Capacity	1.10 cu yd (0.84 cu m)

Dimensions

Caterpillar M315D Excavator Dimensions specifications
Counterweight Clearance	4.20 ft (1.28 m)
Ground Clearance	1.30 ft (0.40 m)
Height - Top of Cab	10.40 ft (3.17 m)
Overall Width	8.40 in (21.34 cm)
Overall Width - Outriggers Down	12.10 ft (3.69 m)
Tail Swing Radius	7.30 ft (2.23 m)
Upper Structure Clearance	4.20 ft (1.28 m)
Wheelbase	8.40 ft (2.56 m)

DRIVE SYSTEM

Caterpillar M315D Excavator DRIVE SYSTEM specifications
Maximum Travel Speed	21.00 mph (33.80 kph)

Engine

Caterpillar M315D Excavator Engine specifications
Bore	4.20 in (10.67 cm)
Displacement	269.00 cu in (4,408.13 cu cm)
Engine Model	Cat C4.4 ACERT
Gross Power	145.00 hp (108.13 kw)
ISO 9249	135.00 hp (100.67 kw)
Make	Caterpillar
Maximum Torque - 1,400 rpm	406.00 lbs ft (550.45 nm)
Net Power	135.00 hp (100.67 kw)
Net Torque	406.00 lbs ft (550.45 nm)
Number of Cylinders	4
Power Measured @	2000 rpm
Ratings	2000 rpm
Stroke	5.00 in (12.70 cm)
Torque Measured @	1400 rpm

Fuel Tank

Caterpillar M315D Excavator Fuel Tank specifications
Fuel Tank Capacity	62.10 gal (235.05 l)

Hydraulic System

Caterpillar M315D Excavator Hydraulic System specifications
Implement/Travel Circuit	58.00 gpm (219.53 lpm)
Maximum Flow - Auxiliary Circuit - High Pressure	58.00 gpm (219.53 lpm)
Maximum Flow - Auxiliary Circuit - Medium Pressure	13.20 gpm (49.96 lpm)
Maximum Flow - Implement/Travel Circuit	58.00 gpm (219.53 lpm)
Maximum Flow - Swing Mechanism	21.10 gpm (79.86 lpm)
Maximum Pressure - Auxiliary Circuit - High Pressure	5076 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2683 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5439 psi
Maximum Pressure - Implement Circuit - Normal	5076 psi
Maximum Pressure - Swing Mechanism	5366 psi
Maximum Pressure - Travel Circuit	5076 psi
Normal	5076 psi
System	67.30 gal (254.73 l)
Tank Capacity	35.60 gal (134.75 l)
Travel Circuit	5076 psi

Operating Specifications

Caterpillar M315D Excavator Operating Specifications specifications
Alternator Supplied Amperage	75 amps
Cooling System Fluid Capacity	8.00 gal (30.28 l)
Engine Oil Capacity	2.20 gal (8.33 l)
Front Diff Fluid Capacity	2.80 gal (10.60 l)
Fuel Capacity	62.10 gal (235.05 l)
Hydraulic Pump Flow Capacity	58.20 gpm (220.29 lpm)
Hydraulic Pump Type	Piston
Hydraulic System Fluid Capacity	58.20 gal (220.29 l)
Hydraulic System Relief Valve Pressure	5076 psi
Max Steering Angle	35 degrees
Operating Weight	39,462.80 lbs (17,900.05 kg)
Oscillating Axle Angle	9 degrees
Rear Diff Fluid Capacity	3.70 gal (14.00 l)
Tire Size	10.00-20 16PR dual

Service Refill Capacities

Caterpillar M315D Excavator Service Refill Capacities specifications
Cooling	7.90 gal (29.90 l)
Engine Crankcase	2.10 gal (7.95 l)
Final Drive	0.70 gal (2.65 l)
Front Steering Axle - Differential	2.80 gal (10.60 l)
Fuel Tank	62.00 gal (234.67 l)
Hydraulic System - Including Tank	58.00 gal (219.53 l)
Hydraulic Tank	36.00 gal (136.26 l)
Powershift Transmission	0.70 gal (2.65 l)
Rear Axle - Housing (Differential)	3.70 gal (14.00 l)

Swing Mechanism

Caterpillar M315D Excavator Swing Mechanism specifications
Swing Speed	10.5 rpm
Swing Torque	29,502.00 lbs ft (39,998.81 nm)

Tires

Caterpillar M315D Excavator Tires specifications
Optional	See Optional Equipment
Standard	10.00-20 dual pneumatic

Transmission

Caterpillar M315D Excavator Transmission specifications
Creeper Speed - 1st Gear	2.00 mph (3.22 kph)
Creeper Speed - 2nd Gear	8.00 mph (12.87 kph)
Drawbar Pull	21,806.00 lbs (9,891.05 kg)
Forward/Reverse - 1st Gear	5.00 mph (8.05 kph)
Forward/Reverse - 2nd Gear	21.00 mph (33.80 kph)
Max Travel Speed	21.20 mph (34.12 kph)
Maximum Gradeability	69%
Maximum Travel Speed	21.00 mph (33.80 kph)
Number of Forward Gears	2
Number of Reverse Gears	2
Transmission Type	Gear

Undercarriage

Caterpillar M315D Excavator Undercarriage specifications
Ground Clearance	1.30 ft (0.40 m)
Oscillation Axle Angle	9 degrees

Weights

Caterpillar M315D Excavator Weights specifications
Counterweight	7,716.00 lbs (3,499.92 kg)
Dozer Blade	1,653.00 lbs (749.79 kg)
Front and Rear Outriggers (1)	36,486.00 lbs (16,549.79 kg)
Front and Rear Outriggers (2)	37,588.80 lbs (17,050.01 kg)
One-Piece Boom - Front and Rear Outriggers	36,530.00 lbs (16,569.75 kg)
One-Piece Boom - Rear Dozer, Front Outriggers	35,870.00 lbs (16,270.38 kg)
Outriggers	2,116.00 lbs (959.80 kg)
Rear - Dozer Only (1)	33,731.00 lbs (15,300.14 kg)
Rear - Dozer Only (2)	34,833.00 lbs (15,800.00 kg)
Rear - Dozer, Front Outriggers (1)	35,825.00 lbs (16,249.97 kg)
Rear - Dozer, Front Outriggers (2)	36,927.40 lbs (16,750.01 kg)
VA Boom - Front and Rear Outriggers	37,630.00 lbs (17,068.70 kg)
VA Boom - Rear Dozer Only	34,880.00 lbs (15,821.32 kg)
VA Boom - Rear Dozer, Front Outriggers	36,970.00 lbs (16,769.33 kg)

Working Ranges

Caterpillar M315D Excavator Working Ranges specifications
Maximum Digging Depth	20.00 ft (6.10 m)
Maximum Reach - Ground Level	30.80 ft (9.39 m)