Machine models

Cat 345B L Series II Long Reach specifications

Entries in this reference
Listing-entry count
1

Short answer

Cat 345B L Series II Long Reach: full-size excavator.

Selected configuration figures
Configuration	Documented field and quantity
345B L Series II Long Reach	Gross Power 345 hp Operating Weight 113,097 lb

345B L Series II Long Reach specification matrix — Boom/Stick Option (Hex) 1
Specification	345B L Series II Long Reach
Shipping Length Of Unit	48.99 ft
Shipping Height Of Unit	18.38 ft
Max Cutting Height	47.41 ft
Max Loading Height	38.16 ft
Max Reach Along Ground	57.75 ft
Max Digging Depth	40.1 ft
Boom/Stick Option (Hex) 1	Boom length 10500mm Stick length 6000mm

Dimensions and weight
Specification	345B L Series II Long Reach
Ground Clearance	2.33 ft
Height To Top Of Cab	12.01 ft
Width To Outside Of Tracks	14.18 ft
Length Of Track On Ground	14.24 ft
Tail Swing Radius	11.98 ft
Removal Counterweight Clearance	4.89 ft

Operational
Specification	345B L Series II Long Reach
Operating Weight	113,097 lb
Fuel Capacity	190.3 gal
Cooling System Fluid Capacity	17.5 gal
Hydraulic System Fluid Capacity	137.4 gal
Engine Oil Capacity	8 gal
Operating Voltage	24 V
Swing Drive Fluid Capacity	2.7 gal
Alternator Supplied Amperage	70 amps
Hydraulic System Relief Valve Pressure	4,978 psi
Hydraulic Pump Flow Capacity	190.3 gpm

Swing Mechanism
Specification	345B L Series II Long Reach
Swing Torque	109,897 lb-ft
Swing Speed	8.6 rpm

Ratios
Figure	345B L Series II Long Reach
Engine horsepower per 1,000 lb of weight	2.8
Fuel tank per engine horsepower	0.59 gal
Hydraulic power from the listed pump flow and relief pressure	552.7 hp

Reference directory classification
Equipment group	full-size excavator

Where the 345B L Series II Long Reach ranks in Cat's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Cat	full-size excavator	345B L Series II Long Reach	Descending quantity; 1 is largest

Figure	345B L Series II Long Reach	Rank	Lowest in line	Highest in line
Engine power	321.0 hp	12 of 74	54.0 hp	542.0 hp
Listed weight	113,097 lb	10 of 74	14,330 lb	207,400 lb
Fuel capacity	190.3 gal	9 (tied) of 70	29.1 gal	327.6 gal
Horsepower per 1,000 lb	2.8 hp	54 of 74	2.2 hp	7.9 hp
Ground pressure	13.1 psi	2 of 25	4.4 psi	14.4 psi
Maximum digging depth	40.1 ft	2 of 60	12.4 ft	42.1 ft

The 345B L Series II Long Reach beside its neighbours
Base version	345B	345B L Series II Long Reach	349E L
Engine power	290 hp	321 hp	396 hp
Weight	94,799 lb	113,097 lb	50,000 lb
Fuel capacity	158.6 gal	190.3 gal	190.3 gal
Ground pressure	345B L Series II Long Reach: 13.08 psi
Maximum digging depth	27.17 ft	40.1 ft	29.24 ft

345B L Series II Long Reach: owner reports

Related account: “Swing loss, no-start and overheating”: 345B L, 345B L-VG, and 350 L.

Related discussion: “CAT 345bl Sensor Voltage Question”: 345B L MH.

345B L Series II Long Reach: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	full-size excavator	345B L Series II Long Reach	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	Cat; 345B L Series II Long Reach	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 345B L Series II Long Reach — RitchieSpecs. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	24
Forum indexes	Heavy Equipment Forums
Search wording	the 345B L Series II Long Reach full-size excavator
Topics in the title results	hydraulics, electrical and sensors, fuel system
Latest title quoted by the reference	CAT 345bl Sensor Voltage Question

345B L Series II Long Reach

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	48.99 ft
Shipping Height Of Unit	18.38 ft
Max Cutting Height	47.41 ft
Max Loading Height	38.16 ft
Max Reach Along Ground	57.75 ft
Max Digging Depth	40.1 ft
Boom/Stick Option (Hex) 1	Boom length 10500mm Stick length 6000mm
Dimensions and weight
Ground Clearance	2.33 ft
Height To Top Of Cab	12.01 ft
Width To Outside Of Tracks	14.18 ft
Length Of Track On Ground	14.24 ft
Tail Swing Radius	11.98 ft
Removal Counterweight Clearance	4.89 ft
Undercarriage
Shoe Size	23.63 in
Ground Pressure	13.08 psi
Max Travel Speed	2.74 mph
Drawbar Pull	74,412 lb
Engine
Engine Model	3176C ATAAC
Gross Power	345 hp
Net Power	321 hp
Power Measured @	2,000 rpm
Displacement	628.6 cu in
Aspiration	Turbocharged
Operational
Fuel Capacity	190.3 gal
Cooling System Fluid Capacity	17.5 gal
Hydraulic System Fluid Capacity	137.4 gal
Engine Oil Capacity	8 gal
Operating Voltage	24 V
Swing Drive Fluid Capacity	2.7 gal
Alternator Supplied Amperage	70 amps
Hydraulic System Relief Valve Pressure	4,978 psi
Hydraulic Pump Flow Capacity	190.3 gpm
Swing Mechanism
Swing Torque	109,897 lb-ft
Swing Speed	8.6 rpm
Buckets
Reference Bucket Capacity	2.3 yd3
Minimum Bucket Capacity	1.8 yd3
Additional specifications
Track Gauge	12.21 ft
Operating Weight	113,097 lb
Maximum Bucket Capacity	2.3 yd3