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Cat D40D and D400D specifications

Entries in this reference
Listing-entry count
2
Short answer

Cat D40D and D400D: articulated dump trucks.

Selected configuration figures
ConfigurationDocumented field and quantity
D40D
Gross Power
385 hp
Overall Length
32.03 ft
D400D
Gross Power
385 hp
Overall Length
34.85 ft
D40D and D400D specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
CatD40D and D400D2D40D and D400D
Dimensions and weight
SpecificationD40DD400D
Overall Length32.03 ft34.85 ft
Overall Width11.36 ft10.83 ft
Overall Height11.68 ft11.68 ft
Wheelbase15.92 ft19.85 ft
Dump Height18.02 ft22.09 ft
Dump
SpecificationD40DD400D
Capacity - Struck22.11 yd322.63 yd3
Capacity - Heaped29.3 yd330.74 yd3
Rated Payload79,986 lb79,986 lb
Engine
SpecificationD40DD400D
Gross Power385 hp385 hp
Displacement891 cu in891 cu in
Operational
SpecificationD40DD400D
Fuel Capacity118.9 gal118.9 gal
Tire Sizefront 29.5x25 Radials, rear 33.25x29 Radials29.5x25 Radials
Transmission and speeds
SpecificationD40DD400D
Number Of Forward Gears44
Max Speed34.2 mph34.5 mph
Weights
SpecificationD40DD400D
Front Axle - Empty38,310 lb36,451 lb
Rear Axle - Empty23,479 lb12,666 lb
Front Axle - Loaded55292 %48204.1 %
Rear Axle - Loaded86,483 lb46,787 lb
Total Empty61,789 lb61,789 lb
Total Loaded141,775 lb141,775 lb
SpecificationD400D
Center Axle - Empty12665.6 %
Center Axle - Loaded46786.6 %
Variants — Source comparison annotation
Source guideDiffering-field count reported
D40D and D400D14
Ratios
FigureD40DD400D
Engine horsepower per 1,000 lb of weight6.26.2
Fuel tank per engine horsepower0.31 gal0.31 gal
Rated payload per cubic yard of heaped body2,730 lb2,602 lb
Reference directory classification
Equipment grouparticulated dump truck
D40D and D400D: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsarticulated dump truckCat and the D400D. That is too few titles to say what owners mostly ask about, so the most recent are listed instead2
Used market for the D40D and D400D — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat articulated dump truck7
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
D400D71989 to 1996$27,500$91,287$60,28627,652
D40D and D400D: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the articulated dump truck D40D, D400DNo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat D40D — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Cat D400D — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Cat D40D and D400D: Configuration records

D40D
SpecificationSource figure
Dump
Capacity - Struck22.11 yd3
Capacity - Heaped29.3 yd3
Rated Payload79,986 lb
Engine
Gross Power385 hp
Displacement891 cu in
Operational
Fuel Capacity118.9 gal
Tire Sizefront 29.5x25 Radials, rear 33.25x29 Radials
Transmission and speeds
Number Of Forward Gears4
Max Speed34.2 mph
Weights
Total Empty61,789 lb
Total Loaded141,775 lb
Dimensions and weight
Overall Length32.03 ft
Overall Width11.36 ft
Overall Height11.68 ft
Wheelbase15.92 ft
Dump Height18.02 ft
Additional specifications
Front Axle - Empty38,310 lb
Rear Axle - Empty23,479 lb
Front Axle - Loaded55292 %
Rear Axle - Loaded86,483 lb

Source

D400D
SpecificationSource figure
Dump
Capacity - Struck22.63 yd3
Capacity - Heaped30.74 yd3
Rated Payload79,986 lb
Engine
Gross Power385 hp
Displacement891 cu in
Operational
Fuel Capacity118.9 gal
Tire Size29.5x25 Radials
Transmission and speeds
Number Of Forward Gears4
Max Speed34.5 mph
Weights
Total Empty61,789 lb
Total Loaded141,775 lb
Dimensions and weight
Overall Length34.85 ft
Overall Width10.83 ft
Overall Height11.68 ft
Wheelbase19.85 ft
Dump Height22.09 ft
Additional specifications
Front Axle - Empty36,451 lb
Center Axle - Empty12665.6 %
Rear Axle - Empty12,666 lb
Front Axle - Loaded48204.1 %
Center Axle - Loaded46786.6 %
Rear Axle - Loaded46,787 lb

Source

Compare Cat D40D, D400D
Dimensions and weight
SpecificationD40DD400D
Overall Length32.03 ft34.85 ft
Overall Width11.36 ft10.83 ft
Overall Height11.68 ft11.68 ft
Wheelbase15.92 ft19.85 ft
Dump Height18.02 ft22.09 ft
Dump
SpecificationD40DD400D
Capacity - Struck22.11 yd322.63 yd3
Capacity - Heaped29.3 yd330.74 yd3
Rated Payload79,986 lb79,986 lb
Engine
SpecificationD40DD400D
Gross Power385 hp385 hp
Displacement891 cu in891 cu in
Operational
SpecificationD40DD400D
Fuel Capacity118.9 gal118.9 gal
Tire Sizefront 29.5x25 Radials, rear 33.25x29 Radials29.5x25 Radials
Transmission and speeds
SpecificationD40DD400D
Number Of Forward Gears44
Max Speed34.2 mph34.5 mph
Weights
SpecificationD40DD400D
Front Axle - Empty38,310 lb36,451 lb
Rear Axle - Empty23,479 lb12,666 lb
Front Axle - Loaded55292 %48204.1 %
Rear Axle - Loaded86,483 lb46,787 lb
Total Empty61,789 lb61,789 lb
Total Loaded141,775 lb141,775 lb

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