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Liebherr LR624 and LR634 specifications

Entries in this reference
Listing-entry count
2
Short answer

Liebherr LR624 and LR634: crawler dozers.

Selected configuration figures
ConfigurationDocumented field and quantity
LR624
Net Power
143 hp
Operating Weight
37,276 lb
LR634
Net Power
181 hp
Operating Weight
45,843 lb
LR624 and LR634 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
LiebherrLR624 and LR6342LR624 and LR634
Dimensions and weight
SpecificationLR624LR634
Length With Bucket On Ground20.8 ft22.87 ft
Ground Clearance1.42 ft1.51 ft
Width To Outside Of Tracks7.38 ft7.58 ft
Height To Top Of Cab10.34 ft10.86 ft
Clearance At Full Height And Dump9.35 ft10.04 ft
Reach At Dump Height3.45 ft3.96 ft
Length To Front Of Track15.1 ft15.97 ft
Undercarriage
SpecificationLR624LR634
Track Gauge68.51 in70.87 in
Length Of Track On Ground8.15 ft8.42 ft
Number Of Shoes Per Side3938
Number Of Track Rollers Per Side66
Ground Pressure9.53 psi10.24 psi
Track Shoe Width20 in20 in
Engine
SpecificationLR624LR634
Number Of Cylinders44
Engine ModelD934 S A6D934 L A6
Net Power143 hp181 hp
Power Measured @1,800 rpm1,800 rpm
AspirationTurbocharged w/ AftercoolerTurbocharged w/ Aftercooler
Displacement391 cu in427 cu in
Operational
SpecificationLR624LR634
Operating Weight37,276 lb45,843 lb
Fuel Capacity64.2 gal95.2 gal
Cooling System Fluid Capacity9.6 gal9.6 gal
Engine Oil Capacity8 gal8 gal
Final Drive Fluid Capacity - Each4 gal5.3 gal
Hydraulic System Fluid Capacity20.7 gal22.8 gal
Static Tipping Load26,154 lb31,456 lb
Bucket Capacity - Struck2.4 yd33.3 yd3
Operating Voltage24 V24 V
Alternator Supplied Amperage80 amps80 amps
Max Speed6.2 mph6.2 mph
Hydraulic
SpecificationLR624LR634
Pump Flow Capacity42.8 gpm55.3 gpm
Relief Valve Pressure3,770 psi3,770 psi
Raise Time6.3 sec6.4 sec
Dump Time1.3 sec2.2 sec
Lower Time2.7 sec2.8 sec
Variants — Source comparison annotation
Source guideDiffering-field count reported
LR624 and LR63424
Ratios
FigureLR624LR634
Engine horsepower per 1,000 lb of weight3.83.9
Pump flow per engine horsepower0.30 gpm0.31 gpm
Fuel tank per engine horsepower0.45 gal0.53 gal
Reference directory classification
Equipment groupcrawler dozer
LR624 and LR634: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumscrawler dozerLiebherr and the LR634. That is too few titles to say what owners mostly ask about, so the most recent are listed instead1
Used market for the LR624 and LR634 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderLiebherr crawler dozer5
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
LR62412016$130,945$130,945$130,945None shown
LR63442009 to 2012$19,000$101,340$86,253None shown
LR624 and LR634: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionLiebherr together with the crawler dozer LR624, LR634No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Forum threads
Used-market listings
Federal agency data

Liebherr LR624 and LR634: Configuration records

LR624
SpecificationSource figure
Dimensions and weight
Length With Bucket On Ground20.8 ft
Ground Clearance1.42 ft
Width To Outside Of Tracks7.38 ft
Height To Top Of Cab10.34 ft
Clearance At Full Height And Dump9.35 ft
Reach At Dump Height3.45 ft
Length To Front Of Track15.1 ft
Undercarriage
Number Of Shoes Per Side39
Number Of Track Rollers Per Side6
Ground Pressure9.53 psi
Track Shoe Width20 in
Engine
Number Of Cylinders4
Engine ModelD934 S A6
Net Power143 hp
Power Measured @1,800 rpm
AspirationTurbocharged w/ Aftercooler
Displacement391 cu in
Operational
Operating Weight37,276 lb
Fuel Capacity64.2 gal
Cooling System Fluid Capacity9.6 gal
Engine Oil Capacity8 gal
Final Drive Fluid Capacity - Each4 gal
Hydraulic System Fluid Capacity20.7 gal
Static Tipping Load26,154 lb
Bucket Capacity - Struck2.4 yd3
Operating Voltage24 V
Alternator Supplied Amperage80 amps
Max Speed6.2 mph
Hydraulic
Raise Time6.3 sec
Dump Time1.3 sec
Lower Time2.7 sec
Additional specifications
Track Gauge68.51 in
Length Of Track On Ground8.15 ft
Pump Flow Capacity42.8 gpm
Relief Valve Pressure3,770 psi

Source

LR634
SpecificationSource figure
Dimensions and weight
Length With Bucket On Ground22.87 ft
Ground Clearance1.51 ft
Width To Outside Of Tracks7.58 ft
Height To Top Of Cab10.86 ft
Clearance At Full Height And Dump10.04 ft
Reach At Dump Height3.96 ft
Length To Front Of Track15.97 ft
Undercarriage
Number Of Shoes Per Side38
Number Of Track Rollers Per Side6
Ground Pressure10.24 psi
Track Shoe Width20 in
Engine
Number Of Cylinders4
Engine ModelD934 L A6
Net Power181 hp
Power Measured @1,800 rpm
AspirationTurbocharged w/ Aftercooler
Displacement427 cu in
Operational
Operating Weight45,843 lb
Fuel Capacity95.2 gal
Cooling System Fluid Capacity9.6 gal
Engine Oil Capacity8 gal
Final Drive Fluid Capacity - Each5.3 gal
Hydraulic System Fluid Capacity22.8 gal
Static Tipping Load31,456 lb
Bucket Capacity - Struck3.3 yd3
Operating Voltage24 V
Alternator Supplied Amperage80 amps
Max Speed6.2 mph
Hydraulic
Raise Time6.4 sec
Dump Time2.2 sec
Lower Time2.8 sec
Additional specifications
Track Gauge70.87 in
Length Of Track On Ground8.42 ft
Pump Flow Capacity55.3 gpm
Relief Valve Pressure3,770 psi

Source

Compare Liebherr LR624, LR634
Dimensions and weight
SpecificationLR624LR634
Length With Bucket On Ground20.8 ft22.87 ft
Ground Clearance1.42 ft1.51 ft
Width To Outside Of Tracks7.38 ft7.58 ft
Height To Top Of Cab10.34 ft10.86 ft
Clearance At Full Height And Dump9.35 ft10.04 ft
Reach At Dump Height3.45 ft3.96 ft
Length To Front Of Track15.1 ft15.97 ft
Undercarriage
SpecificationLR624LR634
Track Gauge68.51 in70.87 in
Length Of Track On Ground8.15 ft8.42 ft
Number Of Shoes Per Side3938
Number Of Track Rollers Per Side66
Ground Pressure9.53 psi10.24 psi
Track Shoe Width20 in20 in
Engine
SpecificationLR624LR634
Number Of Cylinders44
Engine ModelD934 S A6D934 L A6
Net Power143 hp181 hp
Power Measured @1,800 rpm1,800 rpm
AspirationTurbocharged w/ AftercoolerTurbocharged w/ Aftercooler
Displacement391 cu in427 cu in
Operational
SpecificationLR624LR634
Operating Weight37,276 lb45,843 lb
Fuel Capacity64.2 gal95.2 gal
Cooling System Fluid Capacity9.6 gal9.6 gal
Engine Oil Capacity8 gal8 gal
Final Drive Fluid Capacity - Each4 gal5.3 gal
Hydraulic System Fluid Capacity20.7 gal22.8 gal
Static Tipping Load26,154 lb31,456 lb
Bucket Capacity - Struck2.4 yd33.3 yd3
Operating Voltage24 V24 V
Alternator Supplied Amperage80 amps80 amps
Max Speed6.2 mph6.2 mph
Hydraulic
SpecificationLR624LR634
Pump Flow Capacity42.8 gpm55.3 gpm
Relief Valve Pressure3,770 psi3,770 psi
Raise Time6.3 sec6.4 sec
Dump Time1.3 sec2.2 sec
Lower Time2.7 sec2.8 sec

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