Machine models

Kato HD820III to HD823MRLC specifications

Entries in this reference
Listing-entry count
6
Short answer

Kato HD820III to HD823MRLC: full-size excavators.

Selected configuration figures
ConfigurationDocumented field and quantity
HD820III
Gross Power
147.6 hp
Operating Weight
42,990 lb
HD820IIILC
Gross Power
147.6 hp
Operating Weight
44,754 lb
HD823MR
Gross Power
143.5 hp
Operating Weight
48,281 lb
HD823MRIII
Gross Power
147.6 hp
Operating Weight
48,502 lb
HD823MRIIILC
Gross Power
147.6 hp
Operating Weight
48,502 lb
HD823MRLC
Gross Power
138.2 hp
Operating Weight
49,825 lb
HD820III to HD823MRLC specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
KatoHD820III to HD823MRLC6HD820III, HD820IIILC, HD823MR, HD823MRIII, HD823MRIIILC, and HD823MRLC
Boom/Stick Option (Hex) 1
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Max Cutting Height30.48 ft30.48 ft31.34 ft31.34 ft31.34 ft31.34 ft
Max Loading Height20.94 ft20.94 ft21.72 ft21.99 ft21.99 ft21.72 ft
Max Vertical Wall Digging Depth15.92 ft15.92 ft18.51 ft18.38 ft18.38 ft18.51 ft
Max Digging Depth18.64 ft18.64 ft20.38 ft20.35 ft20.35 ft20.38 ft
Boom/Stick Option (Hex) 1
Boom length
5630mm
Stick length
1900mm
Boom length
5630mm
Stick length
1900mm
Short armShort Arm 2430mmShort Arm 2430mmShort arm
SpecificationHD820IIIHD820IIILC
Max Reach Along Ground28.94 ft28.94 ft
Dimensions and weight
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Ground Clearance1.53 ft1.53 ft1.53 ft1.53 ft1.53 ft1.53 ft
Height To Top Of Cab9.39 ft9.19 ft9.59 ft9.59 ft9.59 ft9.59 ft
Width To Outside Of Tracks9.26 ft9.81 ft9.26 ft9.26 ft9.81 ft9.81 ft
Tail Swing Radius9.03 ft9.03 ft6.5 ft6.86 ft7.32 ft6.5 ft
Removal Counterweight Clearance3.42 ft3.42 ft3.42 ft3.42 ft3.42 ft3.42 ft
SpecificationHD820IIIHD823MRHD823MRIII
Length Of Track On Ground11.06 ft11.06 ft11.06 ft
Undercarriage
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Track Gauge7.29 ft7.85 ft7.29 ft7.22 ft7.85 ft7.85 ft
Shoe Size23.63 in23.63 in23.63 in23.63 in23.63 in23.63 in
Max Travel Speed3.42 mph3.42 mph3.3 mph3.42 mph3.42 mph3.3 mph
Ground Pressure6.24 psi6.1 psi7.11 psi7.11 psi6.82 psi6.79 psi
SpecificationHD820IIIHD820IIILC
Number Of Shoes Per Side4649
Drawbar Pull_ -_ -
Engine
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Engine ModelC 6D34-TLE2AC 6D34-TLE2AC 6D34-TC 6D34-TLE2AC 6D34-TLE2AC 6D34-T
Gross Power147.6 hp147.6 hp143.5 hp147.6 hp147.6 hp138.2 hp
Aspirationturbochargedturbochargedturbochargedturbochargedturbochargedturbocharged
SpecificationHD820IIIHD820IIILC
Max Torque4.4 lb-ft427.8 lb-ft
SpecificationHD820IIIHD820IIILCHD823MR
Displacement357.6 cu in357.6 cu in360.1 cu in
SpecificationHD823MR
Number Of Cylinders6
Power Measured @2,050 rpm
Operational
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Operating Weight42,990 lb44,754 lb48,281 lb48,502 lb48,502 lb49,825 lb
Fuel Capacity84.6 gal84.6 gal63.5 gal84.6 gal84.6 gal63.5 gal
Hydraulic System Fluid Capacity68.7 gal68.7 gal68.7 gal68.7 gal68.7 gal68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi4,772 psi4,772 psi4,772 psi4,772 psi4,772 psi
SpecificationHD820IIIHD820IIILC
Cooling System Fluid Capacity6.1 gal6.1 gal
Engine Oil Capacity5.9 gal5.9 gal
Operating Voltage24 V24 V
Swing Drive Fluid Capacity1.4 gal1.4 gal
Alternator Supplied Amperage35 amps35 amps
Hydraulic Pump Flow Capacity124.2 gpm124.2 gpm
Swing Mechanism
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Swing Speed13.5 rpm13.5 rpm13.5 rpm13.5 rpm13.5 rpm13.5 rpm
Buckets
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILC
Reference Bucket Capacity1.1 yd31.1 yd31.1 yd30.8 yd30.8 yd3
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Minimum Bucket Capacity0.6 yd30.6 yd31.1 yd30.6 yd30.6 yd31.1 yd3
Maximum Bucket Capacity1.5 yd31.5 yd31.5 yd31.5 yd31.5 yd31.5 yd3
Variants — Source comparison annotation
Source guideDiffering-field count reported
HD820III to HD823MRLC31
Ratios
FigureHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Engine horsepower per 1,000 lb of weight3.43.33.03.03.02.8
Fuel tank per engine horsepower0.57 gal0.57 gal0.44 gal0.57 gal0.57 gal0.46 gal
FigureHD820IIIHD820IIILC
Hydraulic power from the listed pump flow and relief pressure345.8 hp345.8 hp
Reference directory classification
Equipment groupfull-size excavator
HD820III to HD823MRLC: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsfull-size excavatorKato and the HD820 line that the HD820III, HD820IIILC belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead2
Used market for the HD820III to HD823MRLC — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderKato full-size excavator1
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
HD823MR12025None shownNone shownNone shownNone shown
HD820III to HD823MRLC: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionKato together with the full-size excavator HD820III, HD820IIILC, HD823MR, HD823MRIIINo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Kato HD820III — RitchieSpecs. Observed 2026-09-24.
Reference site
Reference site
  • Reference site: Kato HD823MR — RitchieSpecs. Observed 2026-09-24.
Reference site
Reference site
Reference site
Forum threads
Used-market listings
Federal agency data

Kato HD820III to HD823MRLC questions

Dated listing search without advertised prices
DateListing indexEquipment classNames queriedListingsPrice observation
2026-09-24MachineryTraderfull-size excavatorHD823MR1No prices shown in this snapshot

Kato HD820III to HD823MRLC: Configuration records

HD820III
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height30.48 ft
Max Loading Height20.94 ft
Max Reach Along Ground28.94 ft
Max Vertical Wall Digging Depth15.92 ft
Max Digging Depth18.64 ft
Boom/Stick Option (Hex) 1
Boom length
5630mm
Stick length
1900mm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.39 ft
Width To Outside Of Tracks9.26 ft
Length Of Track On Ground11.06 ft
Tail Swing Radius9.03 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.29 ft
Shoe Size23.63 in
Number Of Shoes Per Side46
Max Travel Speed3.42 mph
Ground Pressure6.24 psi
Engine
Engine ModelC 6D34-TLE2A
Gross Power147.6 hp
Max Torque4.4 lb-ft
Aspirationturbocharged
Displacement357.6 cu in
Operational
Operating Weight42,990 lb
Fuel Capacity84.6 gal
Cooling System Fluid Capacity6.1 gal
Hydraulic System Fluid Capacity68.7 gal
Engine Oil Capacity5.9 gal
Operating Voltage24 V
Swing Drive Fluid Capacity1.4 gal
Alternator Supplied Amperage35 amps
Hydraulic System Relief Valve Pressure4,772 psi
Hydraulic Pump Flow Capacity124.2 gpm
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Reference Bucket Capacity1.1 yd3
Minimum Bucket Capacity0.6 yd3
Maximum Bucket Capacity1.5 yd3

Source

HD820IIILC
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height30.48 ft
Max Loading Height20.94 ft
Max Reach Along Ground28.94 ft
Max Vertical Wall Digging Depth15.92 ft
Max Digging Depth18.64 ft
Boom/Stick Option (Hex) 1
Boom length
5630mm
Stick length
1900mm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.19 ft
Width To Outside Of Tracks9.81 ft
Tail Swing Radius9.03 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.85 ft
Shoe Size23.63 in
Number Of Shoes Per Side49
Max Travel Speed3.42 mph
Ground Pressure6.1 psi
Engine
Engine ModelC 6D34-TLE2A
Gross Power147.6 hp
Max Torque427.8 lb-ft
Aspirationturbocharged
Displacement357.6 cu in
Operational
Operating Weight44,754 lb
Fuel Capacity84.6 gal
Cooling System Fluid Capacity6.1 gal
Hydraulic System Fluid Capacity68.7 gal
Engine Oil Capacity5.9 gal
Operating Voltage24 V
Swing Drive Fluid Capacity1.4 gal
Alternator Supplied Amperage35 amps
Hydraulic System Relief Valve Pressure4,772 psi
Hydraulic Pump Flow Capacity124.2 gpm
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Reference Bucket Capacity1.1 yd3
Minimum Bucket Capacity0.6 yd3
Maximum Bucket Capacity1.5 yd3

Source

HD823MR
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height31.34 ft
Max Loading Height21.72 ft
Max Vertical Wall Digging Depth18.51 ft
Max Digging Depth20.38 ft
Boom/Stick Option (Hex) 1Short arm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.59 ft
Width To Outside Of Tracks9.26 ft
Length Of Track On Ground11.06 ft
Tail Swing Radius6.5 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.29 ft
Shoe Size23.63 in
Max Travel Speed3.3 mph
Ground Pressure7.11 psi
Engine
Engine ModelC 6D34-T
Gross Power143.5 hp
Aspirationturbocharged
Displacement360.1 cu in
Number Of Cylinders6
Power Measured @2,050 rpm
Operational
Operating Weight48,281 lb
Fuel Capacity63.5 gal
Hydraulic System Fluid Capacity68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Reference Bucket Capacity1.1 yd3
Minimum Bucket Capacity1.1 yd3
Maximum Bucket Capacity1.5 yd3

Source

HD823MRIII
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height31.34 ft
Max Loading Height21.99 ft
Max Vertical Wall Digging Depth18.38 ft
Max Digging Depth20.35 ft
Boom/Stick Option (Hex) 1Short Arm 2430mm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.59 ft
Width To Outside Of Tracks9.26 ft
Length Of Track On Ground11.06 ft
Tail Swing Radius6.86 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.22 ft
Shoe Size23.63 in
Max Travel Speed3.42 mph
Ground Pressure7.11 psi
Engine
Engine ModelC 6D34-TLE2A
Gross Power147.6 hp
Aspirationturbocharged
Operational
Operating Weight48,502 lb
Fuel Capacity84.6 gal
Hydraulic System Fluid Capacity68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Reference Bucket Capacity0.8 yd3
Minimum Bucket Capacity0.6 yd3
Maximum Bucket Capacity1.5 yd3

Source

HD823MRIIILC
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height31.34 ft
Max Loading Height21.99 ft
Max Vertical Wall Digging Depth18.38 ft
Max Digging Depth20.35 ft
Boom/Stick Option (Hex) 1Short Arm 2430mm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.59 ft
Width To Outside Of Tracks9.81 ft
Tail Swing Radius7.32 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.85 ft
Shoe Size23.63 in
Max Travel Speed3.42 mph
Ground Pressure6.82 psi
Engine
Engine ModelC 6D34-TLE2A
Gross Power147.6 hp
Aspirationturbocharged
Operational
Operating Weight48,502 lb
Fuel Capacity84.6 gal
Hydraulic System Fluid Capacity68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Reference Bucket Capacity0.8 yd3
Minimum Bucket Capacity0.6 yd3
Maximum Bucket Capacity1.5 yd3

Source

HD823MRLC
SpecificationSource figure
Boom/Stick Option (Hex) 1
Max Cutting Height31.34 ft
Max Loading Height21.72 ft
Max Vertical Wall Digging Depth18.51 ft
Max Digging Depth20.38 ft
Boom/Stick Option (Hex) 1Short arm
Dimensions and weight
Ground Clearance1.53 ft
Height To Top Of Cab9.59 ft
Width To Outside Of Tracks9.81 ft
Tail Swing Radius6.5 ft
Removal Counterweight Clearance3.42 ft
Undercarriage
Track Gauge7.85 ft
Shoe Size23.63 in
Max Travel Speed3.3 mph
Ground Pressure6.79 psi
Engine
Engine ModelC 6D34-T
Gross Power138.2 hp
Aspirationturbocharged
Operational
Operating Weight49,825 lb
Fuel Capacity63.5 gal
Hydraulic System Fluid Capacity68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi
Swing Mechanism
Swing Speed13.5 rpm
Buckets
Minimum Bucket Capacity1.1 yd3
Maximum Bucket Capacity1.5 yd3

Source

Compare Kato HD820III, HD820IIILC, HD823MR, HD823MRIII, HD823MRIIILC, HD823MRLC
Boom/Stick Option (Hex) 1
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Max Cutting Height30.48 ft30.48 ft31.34 ft31.34 ft31.34 ft31.34 ft
Max Loading Height20.94 ft20.94 ft21.72 ft21.99 ft21.99 ft21.72 ft
Max Vertical Wall Digging Depth15.92 ft15.92 ft18.51 ft18.38 ft18.38 ft18.51 ft
Max Digging Depth18.64 ft18.64 ft20.38 ft20.35 ft20.35 ft20.38 ft
Boom/Stick Option (Hex) 1
Boom length
5630mm
Stick length
1900mm
Boom length
5630mm
Stick length
1900mm
Short armShort Arm 2430mmShort Arm 2430mmShort arm
Dimensions and weight
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Ground Clearance1.53 ft1.53 ft1.53 ft1.53 ft1.53 ft1.53 ft
Height To Top Of Cab9.39 ft9.19 ft9.59 ft9.59 ft9.59 ft9.59 ft
Width To Outside Of Tracks9.26 ft9.81 ft9.26 ft9.26 ft9.81 ft9.81 ft
Tail Swing Radius9.03 ft9.03 ft6.5 ft6.86 ft7.32 ft6.5 ft
Removal Counterweight Clearance3.42 ft3.42 ft3.42 ft3.42 ft3.42 ft3.42 ft
Undercarriage
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Track Gauge7.29 ft7.85 ft7.29 ft7.22 ft7.85 ft7.85 ft
Shoe Size23.63 in23.63 in23.63 in23.63 in23.63 in23.63 in
Max Travel Speed3.42 mph3.42 mph3.3 mph3.42 mph3.42 mph3.3 mph
Ground Pressure6.24 psi6.1 psi7.11 psi7.11 psi6.82 psi6.79 psi
Engine
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Engine ModelC 6D34-TLE2AC 6D34-TLE2AC 6D34-TC 6D34-TLE2AC 6D34-TLE2AC 6D34-T
Gross Power147.6 hp147.6 hp143.5 hp147.6 hp147.6 hp138.2 hp
Aspirationturbochargedturbochargedturbochargedturbochargedturbochargedturbocharged
Operational
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Operating Weight42,990 lb44,754 lb48,281 lb48,502 lb48,502 lb49,825 lb
Fuel Capacity84.6 gal84.6 gal63.5 gal84.6 gal84.6 gal63.5 gal
Hydraulic System Fluid Capacity68.7 gal68.7 gal68.7 gal68.7 gal68.7 gal68.7 gal
Hydraulic System Relief Valve Pressure4,772 psi4,772 psi4,772 psi4,772 psi4,772 psi4,772 psi
Swing Mechanism
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Swing Speed13.5 rpm13.5 rpm13.5 rpm13.5 rpm13.5 rpm13.5 rpm
Buckets
SpecificationHD820IIIHD820IIILCHD823MRHD823MRIIIHD823MRIIILCHD823MRLC
Minimum Bucket Capacity0.6 yd30.6 yd31.1 yd30.6 yd30.6 yd31.1 yd3
Maximum Bucket Capacity1.5 yd31.5 yd31.5 yd31.5 yd31.5 yd31.5 yd3

More in Kato: HD820V, HD550VII–HD820LC, HD1430–HD2045III.