Machine models

Cat E300B and EL300B specifications

Entries in this reference
Listing-entry count
2

Short answer

Cat E300B and EL300B: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
E300B	Gross Power 206.6 hp Operating Weight 66,580 lb
EL300B	Gross Power 206.6 hp Operating Weight 68,784 lb

E300B and EL300B specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	E300B and EL300B	2	E300B and EL300B

Boom/Stick Option (Hex) 1
Specification	E300B	EL300B
Max Cutting Height	32.81 ft	32.81 ft
Max Loading Height	22.74 ft	22.74 ft
Max Reach Along Ground	35.77 ft	35.77 ft
Max Vertical Wall Digging Depth	19.3 ft	19.3 ft
Max Digging Depth	23.59 ft	23.59 ft
Boom/Stick Option (Hex) 1	Stick 9'7" (2900mm)	Stick 9'7" (2900mm)

Dimensions and weight
Specification	E300B	EL300B
Ground Clearance	1.56 ft	1.56 ft
Height To Top Of Cab	10.25 ft	10.25 ft
Width To Outside Of Tracks	11.16 ft	11.16 ft
Tail Swing Radius	10.5 ft	10.5 ft
Removal Counterweight Clearance	3.78 ft	3.78 ft

Engine
Specification	E300B	EL300B
Gross Power	206.6 hp	206.6 hp
Displacement	640.8 cu in	640.8 cu in

Operational
Specification	E300B	EL300B
Operating Weight	66,580 lb	68,784 lb
Fuel Capacity	137.4 gal	137.4 gal
Hydraulic System Relief Valve Pressure	4,550 psi	4,550 psi
Hydraulic Pump Flow Capacity	111 gpm	111 gpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
E300B and EL300B	2

Ratios
Figure	E300B	EL300B
Engine horsepower per 1,000 lb of weight	3.1	3.0
Fuel tank per engine horsepower	0.67 gal	0.67 gal
Hydraulic power from the listed pump flow and relief pressure	294.7 hp	294.7 hp

Reference directory classification
Equipment group	full-size excavator

E300B and EL300B: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	full-size excavator	Cat and the EL300B. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	1

Used market for the E300B and EL300B — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat full-size excavator	1

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
EL300B	1	1990	$29,500	$29,500	$29,500	None shown

E300B and EL300B: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the full-size excavator E300B, EL300B	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat E300B — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat EL300B — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat E300B and EL300B — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat EL300B — MachineryTrader. 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.

Cat E300B and EL300B: Configuration records

E300B

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	32.81 ft
Max Loading Height	22.74 ft
Max Reach Along Ground	35.77 ft
Max Vertical Wall Digging Depth	19.3 ft
Max Digging Depth	23.59 ft
Boom/Stick Option (Hex) 1	Stick 9'7" (2900mm)
Dimensions and weight
Ground Clearance	1.56 ft
Height To Top Of Cab	10.25 ft
Width To Outside Of Tracks	11.16 ft
Tail Swing Radius	10.5 ft
Removal Counterweight Clearance	3.78 ft
Undercarriage
Shoe Size	31.5 in
Drawbar Pull	52,830 lb
Max Travel Speed	2.8 mph
Ground Pressure	7.1 psi
Engine
Gross Power	206.6 hp
Displacement	640.8 cu in
Operational
Fuel Capacity	137.4 gal
Hydraulic System Relief Valve Pressure	4,550 psi
Hydraulic Pump Flow Capacity	111 gpm
Additional specifications
Track Gauge	8.54 ft
Operating Weight	66,580 lb

EL300B

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Cutting Height	32.81 ft
Max Loading Height	22.74 ft
Max Reach Along Ground	35.77 ft
Max Vertical Wall Digging Depth	19.3 ft
Max Digging Depth	23.59 ft
Boom/Stick Option (Hex) 1	Stick 9'7" (2900mm)
Dimensions and weight
Ground Clearance	1.56 ft
Height To Top Of Cab	10.25 ft
Width To Outside Of Tracks	11.16 ft
Tail Swing Radius	10.5 ft
Removal Counterweight Clearance	3.78 ft
Undercarriage
Shoe Size	31.5 in
Drawbar Pull	52,830 lb
Max Travel Speed	2.8 mph
Ground Pressure	6.53 psi
Engine
Gross Power	206.6 hp
Displacement	640.8 cu in
Operational
Fuel Capacity	137.4 gal
Hydraulic System Relief Valve Pressure	4,550 psi
Hydraulic Pump Flow Capacity	111 gpm
Additional specifications
Track Gauge	8.54 ft
Operating Weight	68,784 lb

Compare Cat E300B, EL300B

Boom/Stick Option (Hex) 1
Specification	E300B	EL300B
Max Cutting Height	32.81 ft	32.81 ft
Max Loading Height	22.74 ft	22.74 ft
Max Reach Along Ground	35.77 ft	35.77 ft
Max Vertical Wall Digging Depth	19.3 ft	19.3 ft
Max Digging Depth	23.59 ft	23.59 ft
Boom/Stick Option (Hex) 1	Stick 9'7" (2900mm)	Stick 9'7" (2900mm)

Dimensions and weight
Specification	E300B	EL300B
Ground Clearance	1.56 ft	1.56 ft
Height To Top Of Cab	10.25 ft	10.25 ft
Width To Outside Of Tracks	11.16 ft	11.16 ft
Tail Swing Radius	10.5 ft	10.5 ft
Removal Counterweight Clearance	3.78 ft	3.78 ft

Engine
Specification	E300B	EL300B
Gross Power	206.6 hp	206.6 hp
Displacement	640.8 cu in	640.8 cu in

Operational
Specification	E300B	EL300B
Operating Weight	66,580 lb	68,784 lb
Fuel Capacity	137.4 gal	137.4 gal
Hydraulic System Relief Valve Pressure	4,550 psi	4,550 psi
Hydraulic Pump Flow Capacity	111 gpm	111 gpm