Machine models

Cat D3C LGP-S Series II to D5B LGP specifications

Entries in this reference
Listing-entry count
5

Short answer

Cat D3C LGP-S Series II to D5B LGP: crawler dozers.

Selected configuration figures
Configuration	Documented field and quantity
D3C LGP-S Series II	Gross Power 70 hp Operating Weight 18,942 lb
D4E	Gross Power 75 hp Operating Weight 19,445 lb
D4E LGP	Gross Power 80.5 hp Operating Weight 22,520 lb
D5B	Gross Power 105 hp Operating Weight 25,794 lb
D5B LGP	Gross Power 104.6 hp Operating Weight 32,397 lb

D3C LGP-S Series II to D5B LGP specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	D3C LGP-S Series II to D5B LGP	5	D3C LGP-S Series II, D4E, D4E LGP, D5B, and D5B LGP

Dimensions and weight
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Length W/ Blade	13.72 ft	12.67 ft	13.85 ft	15.08 ft	16.34 ft
Width Over Tracks	9.85 ft	6.5 ft	8.34 ft	7.75 ft	9.59 ft
Height To Top Of Cab	8.99 ft	8.83 ft	8.9 ft	9.09 ft	9.09 ft
Length Of Track On Ground	8.04 ft	6.01 ft	7.29 ft	7.26 ft	9.26 ft
Ground Clearance	0.92 ft	1.17 ft	1.17 ft	0.91 ft	0.92 ft
Length W/O Blade	11.16 ft	10.5 ft	10.5 ft	11.91 ft	12.5 ft

Undercarriage
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Track Gauge	6.57 ft	4.99 ft	5.84 ft	6.17 ft	6.76 ft
Standard Shoe Size	38.98 in	13 in	30 in	15.99 in	34.02 in
Ground Contact Area	7,518 in2	1,891 in2	5,224 in2	2,790 in2	7,549 in2
Number Of Track Rollers Per Side	7	5	6	6	7
Ground Pressure	2.47 psi	13.3 psi	4.28 psi	9.2 psi	4.36 psi

Engine
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Gross Power	70 hp	75 hp	80.5 hp	105 hp	104.6 hp
Displacement	317.4 cu in	427.2 cu in	427.2 cu in	640.8 cu in	640.8 cu in

Specification	D4E	D5B
Aspiration	Naturally	Naturally

Operational
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Operating Weight	18,942 lb	19,445 lb	22,520 lb	25,794 lb	32,397 lb
Fuel Capacity	30.2 gal	62.9 gal	51 gal	65 gal	65 gal

Transmission and speeds
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Transmission Type	powershift	powershift	powershift	powershift	powershift
Number Of Forward Gears	3	3	3	3	3
Number Of Reverse Gears	3	3	3	3	3
Max Speed - Forward	6.8 mph	5.8 mph	5.8 mph	6.3 mph	6.3 mph
Max Speed - Reverse	7.1 mph	7.1 mph	6.8 mph	7.6 mph	7.6 mph

Standard Blade
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Blade width	9.2 ft	8.1 ft	10.1 ft	10.4 ft	11.6 ft

Specification	D3C LGP-S Series II
Blade height	29.1 in
Cutting Depth	13.9 in

Specification	D3C LGP-S Series II	D4E LGP	D5B LGP
Capacity	1.6 yd3	2.3 yd3	3.4 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
D3C LGP-S Series II to D5B LGP	22

Ratios
Figure	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Engine horsepower per 1,000 lb of weight	3.7	3.9	3.6	4.1	3.2
Fuel tank per engine horsepower	0.43 gal	0.84 gal	0.63 gal	0.62 gal	0.62 gal

Reference directory classification
Equipment group	crawler dozer

D3C LGP-S Series II to D5B LGP: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	crawler dozer	Cat and the D3C LGP, D4E, D5B line that the D3C LGP-S Series II, D4E, D4E LGP, D5B belongs to (no title names the exact model)	49

Topics named by those titles
Title topic	Titles
transmission and drive	8
tracks and undercarriage	3
brakes and steering	2

Topic in the title	Threads	Share of matching threads
transmission and drive	8	16%
tracks and undercarriage	3	6%
brakes and steering	2	4%
electrical and sensors	2	4%
hydraulics	2	4%

CAT D4e Friction To Clutch Fluid Migration (Heavy Equipment Forums, 2026-02-28)
CAT D4e Looking For Info (Heavy Equipment Forums, 2025-04-04)
CAT D5b Converter Problem (Heavy Equipment Forums, 2024-03-05)
1982 CAT D5b Final Drive Leaking (Heavy Equipment Forums, 2023-09-12)

Used market for the D3C LGP-S Series II to D5B LGP — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat crawler dozer	14

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
D4E	4	1979 to 2000	$7,090	$21,700	$18,028	None shown
D5B	10	1978 to 1985	$25,500	$49,633	$32,500	13,519

D3C LGP-S Series II to D5B LGP: 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 crawler dozer D3C LGP-S Series II, D4E, D4E LGP, D5B	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat D3C LGP-S Series II — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D4E — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D4E LGP — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D5B — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D5B LGP — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat D3C LGP-S Series II to D5B LGP — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat D4E — 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 D3C LGP-S Series II to D5B LGP: Configuration records

D3C LGP-S Series II

Specification	Source figure
Dimensions and weight
Ground Clearance	0.92 ft
Height To Top Of Cab	8.99 ft
Length W/ Blade	13.72 ft
Width Over Tracks	9.85 ft
Length W/O Blade	11.16 ft
Undercarriage
Track Gauge	6.57 ft
Ground Contact Area	7,518 in2
Ground Pressure	2.47 psi
Number Of Track Rollers Per Side	7
Standard Shoe Size	38.98 in
Engine
Displacement	317.4 cu in
Gross Power	70 hp
Operational
Operating Weight	18,942 lb
Fuel Capacity	30.2 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	6.8 mph
Max Speed - Reverse	7.1 mph
Standard Blade
Blade width	9.2 ft
Blade height	29.1 in
Capacity	1.6 yd3
Cutting Depth	13.9 in
Additional specifications
Length Of Track On Ground	8.04 ft

Source

D4E

Specification	Source figure
Dimensions and weight
Ground Clearance	1.17 ft
Height To Top Of Cab	8.83 ft
Length W/ Blade	12.67 ft
Width Over Tracks	6.5 ft
Length W/O Blade	10.5 ft
Undercarriage
Track Gauge	4.99 ft
Ground Contact Area	1,891 in2
Ground Pressure	13.3 psi
Number Of Track Rollers Per Side	5
Standard Shoe Size	13 in
Engine
Displacement	427.2 cu in
Gross Power	75 hp
Aspiration	Naturally
Operational
Operating Weight	19,445 lb
Fuel Capacity	62.9 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	5.8 mph
Max Speed - Reverse	7.1 mph
Standard Blade
Blade width	8.1 ft
Additional specifications
Length Of Track On Ground	6.01 ft

Source

D4E LGP

Specification	Source figure
Dimensions and weight
Ground Clearance	1.17 ft
Height To Top Of Cab	8.9 ft
Length W/ Blade	13.85 ft
Width Over Tracks	8.34 ft
Length W/O Blade	10.5 ft
Undercarriage
Track Gauge	5.84 ft
Ground Contact Area	5,224 in2
Ground Pressure	4.28 psi
Number Of Track Rollers Per Side	6
Standard Shoe Size	30 in
Engine
Displacement	427.2 cu in
Gross Power	80.5 hp
Operational
Operating Weight	22,520 lb
Fuel Capacity	51 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	5.8 mph
Max Speed - Reverse	6.8 mph
Standard Blade
Blade width	10.1 ft
Capacity	2.3 yd3
Additional specifications
Length Of Track On Ground	7.29 ft

Source

D5B

Specification	Source figure
Dimensions and weight
Ground Clearance	0.91 ft
Height To Top Of Cab	9.09 ft
Length W/ Blade	15.08 ft
Width Over Tracks	7.75 ft
Length W/O Blade	11.91 ft
Undercarriage
Track Gauge	6.17 ft
Ground Contact Area	2,790 in2
Ground Pressure	9.2 psi
Number Of Track Rollers Per Side	6
Standard Shoe Size	15.99 in
Engine
Displacement	640.8 cu in
Gross Power	105 hp
Aspiration	Naturally
Operational
Operating Weight	25,794 lb
Fuel Capacity	65 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	6.3 mph
Max Speed - Reverse	7.6 mph
Standard Blade
Blade width	10.4 ft
Additional specifications
Length Of Track On Ground	7.26 ft

Source

D5B LGP

Specification	Source figure
Dimensions and weight
Ground Clearance	0.92 ft
Height To Top Of Cab	9.09 ft
Length W/ Blade	16.34 ft
Width Over Tracks	9.59 ft
Length W/O Blade	12.5 ft
Undercarriage
Track Gauge	6.76 ft
Ground Contact Area	7,549 in2
Ground Pressure	4.36 psi
Number Of Track Rollers Per Side	7
Standard Shoe Size	34.02 in
Engine
Displacement	640.8 cu in
Gross Power	104.6 hp
Operational
Operating Weight	32,397 lb
Fuel Capacity	65 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	6.3 mph
Max Speed - Reverse	7.6 mph
Standard Blade
Blade width	11.6 ft
Capacity	3.4 yd3
Additional specifications
Length Of Track On Ground	9.26 ft

Source

Compare Cat D3C LGP-S Series II, D4E, D4E LGP, D5B, D5B LGP

Dimensions and weight
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Length W/ Blade	13.72 ft	12.67 ft	13.85 ft	15.08 ft	16.34 ft
Width Over Tracks	9.85 ft	6.5 ft	8.34 ft	7.75 ft	9.59 ft
Height To Top Of Cab	8.99 ft	8.83 ft	8.9 ft	9.09 ft	9.09 ft
Length Of Track On Ground	8.04 ft	6.01 ft	7.29 ft	7.26 ft	9.26 ft
Ground Clearance	0.92 ft	1.17 ft	1.17 ft	0.91 ft	0.92 ft
Length W/O Blade	11.16 ft	10.5 ft	10.5 ft	11.91 ft	12.5 ft

Undercarriage
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Track Gauge	6.57 ft	4.99 ft	5.84 ft	6.17 ft	6.76 ft
Standard Shoe Size	38.98 in	13 in	30 in	15.99 in	34.02 in
Ground Contact Area	7,518 in2	1,891 in2	5,224 in2	2,790 in2	7,549 in2
Number Of Track Rollers Per Side	7	5	6	6	7
Ground Pressure	2.47 psi	13.3 psi	4.28 psi	9.2 psi	4.36 psi

Engine
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Gross Power	70 hp	75 hp	80.5 hp	105 hp	104.6 hp
Displacement	317.4 cu in	427.2 cu in	427.2 cu in	640.8 cu in	640.8 cu in

Operational
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Operating Weight	18,942 lb	19,445 lb	22,520 lb	25,794 lb	32,397 lb
Fuel Capacity	30.2 gal	62.9 gal	51 gal	65 gal	65 gal

Transmission and speeds
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Transmission Type	powershift	powershift	powershift	powershift	powershift
Number Of Forward Gears	3	3	3	3	3
Number Of Reverse Gears	3	3	3	3	3
Max Speed - Forward	6.8 mph	5.8 mph	5.8 mph	6.3 mph	6.3 mph
Max Speed - Reverse	7.1 mph	7.1 mph	6.8 mph	7.6 mph	7.6 mph

Standard Blade
Specification	D3C LGP-S Series II	D4E	D4E LGP	D5B	D5B LGP
Blade width	9.2 ft	8.1 ft	10.1 ft	10.4 ft	11.6 ft

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Cat D3C LGP-S Series II to D5B LGP specifications

Sources for this page

Cat D3C LGP-S Series II to D5B LGP: Configuration records