Machine models

Komatsu HD605-5 specifications

Entries in this reference
Listing-entry count
1

Short answer

Komatsu HD605-5: rigid rock truck.

Selected configuration figures
Configuration	Documented field and quantity
HD605-5	Gross Power 739 hp Rated Payload 126,000 lb

Operational
Specification	HD605-5
Fuel Capacity	206.1 gal
Cooling System Fluid Capacity	45.2 gal
Engine Oil Capacity	13.8 gal
Diff And Final Drive Fluid Capacity	33.5 gal
Hydraulic System Fluid Capacity	25.1 gal
Tire Size	24.00R35

Weights
Specification	HD605-5
Empty Weight	105,436 lb
Loaded Weight	238,265 lb
Weight Distribution Front - Empty	45 %
Weight Distribution Rear - Empty	55 %
Weight Distribution Front - Loaded	32 %
Weight Distribution Rear - Loaded	68 %

Ratios
Figure	HD605-5
Engine horsepower per 1,000 lb of weight	6.8
Fuel tank per engine horsepower	0.29 gal
Rated payload per cubic yard of heaped body	2,408 lb

Reference directory classification
Equipment group	rigid rock truck

Where the HD605-5 ranks in Komatsu's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Komatsu	rigid rock truck	HD605-5	Descending quantity; 1 is largest

Figure	HD605-5	Rank	Lowest in line	Highest in line
Engine power	715.0 hp	7 of 9	230.0 hp	3,346.0 hp
Listed weight	105,436 lb	6 of 12	37,016 lb	549,998 lb
Fuel capacity	206.1 gal	7 (tied) of 10	127.9 gal	1,400.0 gal
Horsepower per 1,000 lb	6.8 hp	4 of 9	6.0 hp	8.4 hp
Rated payload	126,000.0 lb	8 of 10	36,000.0 lb	719,997.0 lb

The HD605-5 beside its neighbours

Related discussion: “Komatsu Hd605 7eo Blower Motor”: HD405-7 and HD605-7E0.

Used market for the HD605-5 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Komatsu rigid rock truck	4

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
HD605-5	4	1999 to 2001	$59,779	$59,779	$59,779	None shown

HD605-5: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Komatsu together with the rigid rock truck HD605-5	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Komatsu HD605-5 — RitchieSpecs. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Komatsu HD605-5 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Komatsu — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

HD605-5

Specification	Source figure
Dump
Rated Payload	126,000 lb
Load Capacity - Heaped	52.32 yd3
Load Capacity - Struck	37.94 yd3
Raise Time	11.5 sec
Engine
Number Of Cylinders	6
Engine Model	SAA6D170E
Gross Power	739 hp
Net Power	715 hp
Power Measured @	2,000 rpm
Aspiration	Turbocharged
Displacement	1,413 cu in
Operational
Fuel Capacity	206.1 gal
Cooling System Fluid Capacity	45.2 gal
Engine Oil Capacity	13.8 gal
Diff And Final Drive Fluid Capacity	33.5 gal
Hydraulic System Fluid Capacity	25.1 gal
Tire Size	24.00R35
Transmission and speeds
Transmission Type	full-automatic
Number Of Gears - Forward	7
Number Of Gears - Reverse	1
Max Speed	43.5 mph
Weights
Empty Weight	105,436 lb
Loaded Weight	238,265 lb
Weight Distribution Front - Empty	45 %
Weight Distribution Rear - Empty	55 %
Weight Distribution Front - Loaded	32 %
Weight Distribution Rear - Loaded	68 %