Machine models

Volvo L20B, ZL402C, and ZL502C specifications

Entries in this reference
Listing-entry count
3
Short answer

Volvo L20B, ZL402C, and ZL502C: wheel loaders.

Selected configuration figures
ConfigurationDocumented field and quantity
L20B
Net Power
54 hp
Operating Weight
9,546 lb
ZL402C
Net Power
37 hp
Operating Weight
7,500 lb
ZL502C
Net Power
54 hp
Operating Weight
9,722 lb
L20B, ZL402C, and ZL502C specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
VolvoL20B, ZL402C, and ZL502C3L20B, ZL402C, and ZL502C
Bucket
SpecificationL20BZL402CZL502C
Dump Clearance At Max Raise8.24 ft7.91 ft8.01 ft
Bucket Capacity - Heaped0.85 yd30.79 yd31.05 yd3
Bucket Width5.91 ft5.42 ft5.75 ft
Breakout Force6,857 lb7,419 lb_ -
Dimensions and weight
SpecificationL20BZL402CZL502C
Ground Clearance1.07 ft1.01 ft1.42 ft
Length With Bucket On Ground16.64 ft14.9 ft16.51 ft
Width Over Tires5.66 ft5.29 ft5.68 ft
Height To Top Of Cab8.13 ft8.17 ft8.49 ft
Wheelbase6.73 ft6.07 ft6.57 ft
Hinge Pin - Max Height10.34 ft9.78 ft10.14 ft
Reach At Max Lift And Dump2.33 ft2.07 ft2.43 ft
Engine
SpecificationL20BZL402CZL502C
Number Of Cylinders434
Engine ModelD3DCAE2F 3 L 1011FF4 L 1011F
Net Power54 hp37 hp54 hp
Gross Power56 hp38 hp56 hp
Power Measured @2,300 rpm2,300 rpm2,800 rpm
Max Torque133 lb-ft84 lb-ft112.2 lb-ft
Displacement189.2 cu in125 cu in166.6 cu in
Torque Measured @1,700 rpm1,800 rpm1,800 rpm
AspirationNaturalNaturalNatural
Operational
SpecificationL20BZL402CZL502C
Operating Weight9,546 lb7,500 lb9,722 lb
Fuel Capacity15.9 gal11.1 gal15.9 gal
Hydraulic System Fluid Capacity15.9 gal15.9 gal15.9 gal
Engine Oil Fluid Capacity2.8 gal1.6 gal2.8 gal
Front Axle/Diff Fluid Capacity1.1 gal1.5 gal2.7 gal
Rear Axle/Diff Fluid Capacity1.6 gal2.2 gal3 gal
Static Tipping Weight7,055 lb5,512 lb7,496 lb
Operating Voltage12 V12 V12 V
Alternator Supplied Amperage80 amps60 amps60 amps
Rear Axle Oscillation20 degrees20 degrees20 degrees
Tire Size12.0-1810.5-1812.5-18
SpecificationZL502C
Turning Radius13.4 ft
Transmission and speeds
SpecificationL20BZL402CZL502C
Transmission TypeHydrostatichydrostatichydrostatic
Number Of Forward Gears222
Number Of Reverse Gears222
Max Speed - Forward12.5 mph7.5 mph12.5 mph
Max Speed - Reverse12.5 mph7.5 mph12.5 mph
Hydraulic System
SpecificationL20BZL402CZL502C
Relief Valve Setting2,901 psi3,045 psi3,336 psi
Pump Flow Capacity13.8 gpm8.5 gpm11.9 gpm
Raise Time6 sec6 sec6 sec
Dump Time2 sec2.5 sec1 sec
Lower Time4 sec5 sec3 sec
Pump TypeGear-type pumpgear typegear type
Variants — Source comparison annotation
Source guideDiffering-field count reported
L20B, ZL402C, and ZL502C36
Ratios
FigureL20BZL402CZL502C
Engine horsepower per 1,000 lb of weight5.74.95.6
Pump flow per engine horsepower0.26 gpm0.23 gpm0.22 gpm
Fuel tank per engine horsepower0.29 gal0.30 gal0.29 gal
Reference directory classification
Equipment groupwheel loader
L20B, ZL402C, and ZL502C: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumswheel loaderVolvo and the L20B. That is too few titles to say what owners mostly ask about, so the most recent are listed instead3
Used market for the L20B, ZL402C, and ZL502C — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderVolvo wheel loader3
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
L20B32006 to 2010$19,900$24,104$22,002None shown
L20B, ZL402C, and ZL502C: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionVolvo together with the wheel loader L20B, ZL402C, ZL502CNo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Volvo L20B — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Volvo ZL402C — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Volvo ZL502C — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data
Recorded observations — Forum-title snapshot
Observation fieldRecorded value
Title count3
Forum indexesHeavy Equipment Forums
Search wordingthe L20B, ZL402C, and ZL502C wheel loader
Latest title quoted by the referenceLocation Of Solenoid Valves On Volvo L20b Loader

Volvo L20B, ZL402C, and ZL502C: Configuration records

L20B
SpecificationSource figure
Bucket
Dump Clearance At Max Raise8.24 ft
Bucket Capacity - Heaped0.85 yd3
Bucket Width5.91 ft
Breakout Force6,857 lb
Dimensions and weight
Ground Clearance1.07 ft
Length With Bucket On Ground16.64 ft
Width Over Tires5.66 ft
Height To Top Of Cab8.13 ft
Wheelbase6.73 ft
Hinge Pin - Max Height10.34 ft
Reach At Max Lift And Dump2.33 ft
Engine
Number Of Cylinders4
Engine ModelD3DCAE2
Net Power54 hp
Gross Power56 hp
Power Measured @2,300 rpm
Max Torque133 lb-ft
Displacement189.2 cu in
Torque Measured @1,700 rpm
AspirationNatural
Operational
Operating Weight9,546 lb
Fuel Capacity15.9 gal
Hydraulic System Fluid Capacity15.9 gal
Engine Oil Fluid Capacity2.8 gal
Front Axle/Diff Fluid Capacity1.1 gal
Rear Axle/Diff Fluid Capacity1.6 gal
Static Tipping Weight7,055 lb
Operating Voltage12 V
Alternator Supplied Amperage80 amps
Rear Axle Oscillation20 degrees
Tire Size12.0-18
Transmission and speeds
Transmission TypeHydrostatic
Number Of Forward Gears2
Number Of Reverse Gears2
Max Speed - Forward12.5 mph
Max Speed - Reverse12.5 mph
Hydraulic System
Relief Valve Setting2,901 psi
Pump Flow Capacity13.8 gpm
Raise Time6 sec
Dump Time2 sec
Lower Time4 sec
Pump TypeGear-type pump

Source

ZL402C
SpecificationSource figure
Bucket
Dump Clearance At Max Raise7.91 ft
Bucket Capacity - Heaped0.79 yd3
Bucket Width5.42 ft
Breakout Force7,419 lb
Dimensions and weight
Ground Clearance1.01 ft
Length With Bucket On Ground14.9 ft
Width Over Tires5.29 ft
Height To Top Of Cab8.17 ft
Wheelbase6.07 ft
Hinge Pin - Max Height9.78 ft
Reach At Max Lift And Dump2.07 ft
Engine
Number Of Cylinders3
Engine ModelF 3 L 1011F
Net Power37 hp
Gross Power38 hp
Power Measured @2,300 rpm
Max Torque84 lb-ft
Displacement125 cu in
Torque Measured @1,800 rpm
AspirationNatural
Operational
Operating Weight7,500 lb
Fuel Capacity11.1 gal
Hydraulic System Fluid Capacity15.9 gal
Engine Oil Fluid Capacity1.6 gal
Front Axle/Diff Fluid Capacity1.5 gal
Rear Axle/Diff Fluid Capacity2.2 gal
Static Tipping Weight5,512 lb
Operating Voltage12 V
Alternator Supplied Amperage60 amps
Rear Axle Oscillation20 degrees
Tire Size10.5-18
Transmission and speeds
Transmission Typehydrostatic
Number Of Forward Gears2
Number Of Reverse Gears2
Max Speed - Forward7.5 mph
Max Speed - Reverse7.5 mph
Hydraulic System
Relief Valve Setting3,045 psi
Pump Flow Capacity8.5 gpm
Raise Time6 sec
Dump Time2.5 sec
Lower Time5 sec
Pump Typegear type

Source

ZL502C
SpecificationSource figure
Bucket
Dump Clearance At Max Raise8.01 ft
Bucket Capacity - Heaped1.05 yd3
Bucket Width5.75 ft
Dimensions and weight
Ground Clearance1.42 ft
Length With Bucket On Ground16.51 ft
Width Over Tires5.68 ft
Height To Top Of Cab8.49 ft
Wheelbase6.57 ft
Hinge Pin - Max Height10.14 ft
Reach At Max Lift And Dump2.43 ft
Engine
Number Of Cylinders4
Engine ModelF4 L 1011F
Net Power54 hp
Gross Power56 hp
Power Measured @2,800 rpm
Max Torque112.2 lb-ft
Displacement166.6 cu in
Torque Measured @1,800 rpm
AspirationNatural
Operational
Operating Weight9,722 lb
Fuel Capacity15.9 gal
Hydraulic System Fluid Capacity15.9 gal
Engine Oil Fluid Capacity2.8 gal
Front Axle/Diff Fluid Capacity2.7 gal
Rear Axle/Diff Fluid Capacity3 gal
Static Tipping Weight7,496 lb
Turning Radius13.4 ft
Operating Voltage12 V
Alternator Supplied Amperage60 amps
Rear Axle Oscillation20 degrees
Tire Size12.5-18
Transmission and speeds
Transmission Typehydrostatic
Number Of Forward Gears2
Number Of Reverse Gears2
Max Speed - Forward12.5 mph
Max Speed - Reverse12.5 mph
Hydraulic System
Relief Valve Setting3,336 psi
Pump Flow Capacity11.9 gpm
Raise Time6 sec
Dump Time1 sec
Lower Time3 sec
Pump Typegear type

Source

Compare Volvo L20B, ZL402C, ZL502C
Bucket
SpecificationL20BZL402CZL502C
Dump Clearance At Max Raise8.24 ft7.91 ft8.01 ft
Bucket Capacity - Heaped0.85 yd30.79 yd31.05 yd3
Bucket Width5.91 ft5.42 ft5.75 ft
Dimensions and weight
SpecificationL20BZL402CZL502C
Ground Clearance1.07 ft1.01 ft1.42 ft
Length With Bucket On Ground16.64 ft14.9 ft16.51 ft
Width Over Tires5.66 ft5.29 ft5.68 ft
Height To Top Of Cab8.13 ft8.17 ft8.49 ft
Wheelbase6.73 ft6.07 ft6.57 ft
Hinge Pin - Max Height10.34 ft9.78 ft10.14 ft
Reach At Max Lift And Dump2.33 ft2.07 ft2.43 ft
Engine
SpecificationL20BZL402CZL502C
Number Of Cylinders434
Engine ModelD3DCAE2F 3 L 1011FF4 L 1011F
Net Power54 hp37 hp54 hp
Gross Power56 hp38 hp56 hp
Power Measured @2,300 rpm2,300 rpm2,800 rpm
Max Torque133 lb-ft84 lb-ft112.2 lb-ft
Displacement189.2 cu in125 cu in166.6 cu in
Torque Measured @1,700 rpm1,800 rpm1,800 rpm
AspirationNaturalNaturalNatural
Operational
SpecificationL20BZL402CZL502C
Operating Weight9,546 lb7,500 lb9,722 lb
Fuel Capacity15.9 gal11.1 gal15.9 gal
Hydraulic System Fluid Capacity15.9 gal15.9 gal15.9 gal
Engine Oil Fluid Capacity2.8 gal1.6 gal2.8 gal
Front Axle/Diff Fluid Capacity1.1 gal1.5 gal2.7 gal
Rear Axle/Diff Fluid Capacity1.6 gal2.2 gal3 gal
Static Tipping Weight7,055 lb5,512 lb7,496 lb
Operating Voltage12 V12 V12 V
Alternator Supplied Amperage80 amps60 amps60 amps
Rear Axle Oscillation20 degrees20 degrees20 degrees
Tire Size12.0-1810.5-1812.5-18
Transmission and speeds
SpecificationL20BZL402CZL502C
Transmission TypeHydrostatichydrostatichydrostatic
Number Of Forward Gears222
Number Of Reverse Gears222
Max Speed - Forward12.5 mph7.5 mph12.5 mph
Max Speed - Reverse12.5 mph7.5 mph12.5 mph
Hydraulic System
SpecificationL20BZL402CZL502C
Relief Valve Setting2,901 psi3,045 psi3,336 psi
Pump Flow Capacity13.8 gpm8.5 gpm11.9 gpm
Raise Time6 sec6 sec6 sec
Dump Time2 sec2.5 sec1 sec
Lower Time4 sec5 sec3 sec
Pump TypeGear-type pumpgear typegear type

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