The Caterpillar 345D L is a large hydraulic excavator in Caterpillar's D series, designed for heavy earthmoving, mass excavation, and site development work. It features a long undercarriage for improved stability and ground contact, supporting efficient operation in demanding conditions. The 345D L is commonly used in mining, quarrying, road construction, and large-scale civil projects. Typical configurations include a Caterpillar diesel engine, hydraulic system optimized for digging and lifting, and a spacious operator cab with electronic controls. As an excavator, the 345D L is built for high production, durability, and compatibility with a range of buckets and attachments.
Boom/Stick 1
Caterpillar 345D L Excavator Boom/Stick 1 specifications
Boom/Stick 1
R4.3TB-LONG REACH BOOM
Max Digging Depth
29.25 ft (8.92 m)
Max Loading Height
25.83 ft (7.87 m)
Max Reach Along Ground
42.42 ft (12.93 m)
Max Vertical Wall Digging Depth
19.25 ft (5.87 m)
Shipping Height Of Unit
12.08 ft (3.68 m)
Shipping Length Of Unit
40.83 ft (12.44 m)
Boom/Stick 2
Caterpillar 345D L Excavator Boom/Stick 2 specifications
Boom/Stick 2
R3.9TB-LONG REACH BOOM
Max Digging Depth
27.92 ft (8.51 m)
Max Loading Height
25.42 ft (7.75 m)
Max Reach Along Ground
41.25 ft (12.57 m)
Max Vertical Wall Digging Depth
17.50 ft (5.33 m)
Shipping Height Of Unit
11.67 ft (3.56 m)
Shipping Length Of Unit
40.75 ft (12.42 m)
Boom/Stick 3
Caterpillar 345D L Excavator Boom/Stick 3 specifications
Boom/Stick 3
R3.9TB-HD REACH BOOM
Max Digging Depth
26.92 ft (8.21 m)
Max Loading Height
24.33 ft (7.42 m)
Max Reach Along Ground
39.75 ft (12.12 m)
Max Vertical Wall Digging Depth
17.33 ft (5.28 m)
Shipping Height Of Unit
12.00 ft (3.66 m)
Shipping Length Of Unit
39.17 ft (11.94 m)
Boom/Stick 4
Caterpillar 345D L Excavator Boom/Stick 4 specifications
Boom/Stick 4
R3.35TB-HD REACH BOOM
Max Digging Depth
25.08 ft (7.64 m)
Max Loading Height
24.33 ft (7.42 m)
Max Reach Along Ground
38.42 ft (11.71 m)
Max Vertical Wall Dig Depth
17.08 ft (5.21 m)
Shipping Height Of Unit
12.08 ft (3.68 m)
Shipping Length Of Unit
39.17 ft (11.94 m)
Boom/Stick 5
Caterpillar 345D L Excavator Boom/Stick 5 specifications
Boom/Stick 5
M3.0VB-MASS EXCAVATION BOOM
Max Digging Depth
23.58 ft (7.19 m)
Max Loading Height
22.42 ft (6.83 m)
Max Reach Along Ground
36.58 ft (11.15 m)
Max Vertical Wall Dig Depth
15.25 ft (4.65 m)
Shipping Height Of Unit
13.17 ft (4.01 m)
Shipping Length Of Unit
38.17 ft (11.63 m)
Boom/Stick 6
Caterpillar 345D L Excavator Boom/Stick 6 specifications
Boom/Stick 6
M2.5VB-MASS EXXCAVATION BOOM
Max Digging Depth
22.00 ft (6.71 m)
Max Loading Height
21.75 ft (6.63 m)
Max Reach Along Ground
35.08 ft (10.69 m)
Max Vertical Wall Dig Depth
13.83 ft (4.22 m)
Shipping Height Of Unit
13.00 ft (3.96 m)
Shipping Length Of Unit
38.42 ft (11.71 m)
Buckets
Caterpillar 345D L Excavator Buckets specifications
Maximum Bucket Capacity
4.6 cu yd
Reference Bucket Capacity
2.4 cu yd
Dimensions
Caterpillar 345D L Excavator Dimensions specifications
Ground Clearance
1.67 ft (0.51 m)
Height
12.08 ft (3.68 m)
Height To Top Of Cab
10.50 ft (3.20 m)
Length
40.67 ft (12.40 m)
Length Of Track On Ground
14.33 ft (4.37 m)
Removal Counterweight Clearance
4.33 ft (1.32 m)
Tail Swing Radius
12.33 ft (3.76 m)
Weight
100,040.00 lbs (45,377.44 kg)
Width
11.33 ft (3.45 m)
Width To Outside Of Tracks
11.42 ft (3.48 m)
Drive
Caterpillar 345D L Excavator Drive specifications
Maximum Drawbar Pull - Long Undercarriage
75,920.00 lbs (34,436.78 kg)
Maximum Travel Speed
2.90 mph (4.67 kph)
Engine
Caterpillar 345D L Excavator Engine specifications
Bore
5.10 in (12.95 cm)
Cylinders
6
Displacement
763.00 cu in (12,503.36 cu cm)
Engine Make
2236
Engine Model
C13 ACERT
Net Flywheel Power
380.00 hp (283.37 kw)
Net Power
380.00 hp (283.37 kw)
Net Power - Eec 80/1269
380.00 hp (283.37 kw)
Net Power - Iso 9249
380.00 hp (283.37 kw)
Net Power - Sae J1349
380.00 hp (283.37 kw)
Number Of Cylinders
6
Stroke
6.20 in (15.75 cm)
Hydraulic System
Caterpillar 345D L Excavator Hydraulic System specifications
Boom Cylinder - Bore
6.30 in (16.00 cm)
Boom Cylinder - Stroke
62.00 in (157.48 cm)
Main Normal Relief Pressure
5080 psi
Main System - Maximum Flow - Total
194.00 gpm (734.29 lpm)
Maximum Pressure - Equipment - Heavy Lift
5511 psi
Maximum Pressure - Equipment - Normal
5080 psi
Maximum Pressure - Swing
4550 psi
Maximum Pressure - Travel
5080 psi
Pilot System - Maximum Flow
11.00 gpm (41.64 lpm)
Pilot System - Maximum Pressure
596 psi
Stick Cylinder - Bore
7.50 in (19.05 cm)
Stick Cylinder - Stroke - For Long Reach And Reach Fronts
70.00 in (177.80 cm)
Stick Cylinder - Stroke - For Mass Excavation Fronts
69.20 in (175.77 cm)
Tb Family Bucket Cylinder - Bore
6.30 in (16.00 cm)
Tb Family Bucket Cylinder - Stroke
53.40 in (135.64 cm)
Ub Family Bucket Cylinder - Bore
6.70 in (17.02 cm)
Ub Family Bucket Cylinder - Stroke
55.00 in (139.70 cm)
Operating Specifications
Caterpillar 345D L Excavator Operating Specifications specifications
Bucket Digging Force - Normal
39,300.00 lbs (17,826.20 kg)
Maximum Bucket Capacity
5 cu yd
Maximum Digging Depth
29.30 ft (8.93 m)
Maximum Reach - Ground Level
42.50 ft (12.95 m)
Nominal Bucket Weight
3,880.00 lbs (1,759.94 kg)
Operational
Caterpillar 345D L Excavator Operational specifications
Cooling System Fluid Capacity
9.40 gal (35.58 l)
Engine Oil Capacity
11.00 gal (41.64 l)
Fuel Capacity
186.00 gal (704.01 l)
Hydraulic Pump Flow Capacity
194.00 gpm (734.29 lpm)
Hydraulic System Fluid Capacity
150.00 gal (567.75 l)
Hydraulic System Relief Valve Pressure
5080 psi
Operating Weight
100,040.00 lbs (45,377.44 kg)
Swing Drive Fluid Capacity
2.60 gal (9.84 l)
Service Refill Capacities
Caterpillar 345D L Excavator Service Refill Capacities specifications
Cooling System
9.40 gal (35.58 l)
Engine Oil
11.00 gal (41.64 l)
Final Drive - Each
4.00 gal (15.14 l)
Fuel Tank Capacity
186.00 gal (704.01 l)
Hydraulic System - Including Tank
150.00 gal (567.75 l)
Hydraulic Tank
64.00 gal (242.24 l)
Swing Drive - Each
2.60 gal (9.84 l)
Sound Performance
Caterpillar 345D L Excavator Sound Performance specifications
Performance
ANSI/SAE J1166 MAY90 Meets OSHA and MSHA Requirements
Standards
Caterpillar 345D L Excavator Standards specifications
Brakes
SAE J1026 APR90
Cab/Fogs
SAE J1356 FEB 88 and ISO 10262-1998
Swing Mechanism
Caterpillar 345D L Excavator Swing Mechanism specifications
Swing Speed
8.9 rpm
Swing Torque
109,560.00 lbs ft (148,541.45 nm)
Track
Caterpillar 345D L Excavator Track specifications
Number Of Carrier Rollers - Each Side
2
Number Of Shoes - Each Side - Long Undercarriage
52
Number Of Track Rollers - Each Side - Long Undercarriage
9
Undercarriage
Caterpillar 345D L Excavator Undercarriage specifications
Drawbar Pull
75,920.00 lbs (34,436.78 kg)
Max Travel Speed
2.80 mph (4.51 kph)
Number Of Carrier Rollers Per Side
2
Number Of Shoes Per Side
52
Number Of Track Rollers Per Side
9
Shoe Size
30.00 in (76.20 cm)
Track Gauge
9.00 ft (2.74 m)
Weights
Caterpillar 345D L Excavator Weights specifications
Operating Weight
100,040.00 lbs (45,377.44 kg)
Operating Weight - Long Undercarriage
100,040.00 lbs (45,377.44 kg)
Operating Weight - Long Variable
108,610.00 lbs (49,264.73 kg)
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