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Cat D30D, D350D, and D350D Wide Axle specifications

Entries in this reference
Listing-entry count
3
Short answer

Cat D30D, D350D, and D350D Wide Axle: articulated dump trucks.

Selected configuration figures
ConfigurationDocumented field and quantity
D30D
Gross Power
285 hp
Overall Length
29.14 ft
D350D
Gross Power
285.7 hp
Overall Length
32.65 ft
D350D Wide Axle
Gross Power
285 hp
Overall Length
33.11 ft
D30D, D350D, and D350D Wide Axle specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
CatD30D, D350D, and D350D Wide Axle3D30D, D350D, and D350D Wide Axle
Dimensions and weight
SpecificationD30DD350DD350D Wide Axle
Overall Length29.14 ft32.65 ft33.11 ft
Overall Width10.83 ft9.85 ft10.83 ft
Overall Height11.16 ft10.93 ft10.93 ft
Wheelbase16.25 ft19.33 ft19.76 ft
Dump Height17.92 ft21.4 ft21.2 ft
Dump
SpecificationD30DD350DD350D Wide Axle
Capacity - Struck16.49 yd320.93 yd318.32 yd3
Capacity - Heaped22.5 yd326.82 yd326.16 yd3
Rated Payload59,979 lb69,977 lb69,988 lb
Engine
SpecificationD30DD350DD350D Wide Axle
Gross Power285 hp285.7 hp285 hp
Displacement640.8 cu in640.8 cu in640.8 cu in
Operational
SpecificationD30DD350DD350D Wide Axle
Fuel Capacity118.9 gal118.9 gal118.9 gal
Tire Size29.5x25 Radials26.5x25 Radials26.5x25 Radials
Transmission and speeds
SpecificationD30DD350DD350D Wide Axle
Number Of Forward Gears555
Max Speed32.4 mph29.9 mph29.9 mph
Weights
SpecificationD30DD350DD350D Wide Axle
Front Axle - Empty31,866 lb30,364 lb30,539 lb
Rear Axle - Empty16,416 lb11,929 lb11,998 lb
Front Axle - Loaded47635.3 %42227.4 %42337.6 %
Rear Axle - Loaded60,625 lb40,475 lb41,092 lb
Total Empty48,281 lb54,223 lb54,531 lb
Total Loaded108,260 lb124,200 lb124,519 lb
SpecificationD350DD350D Wide Axle
Center Axle - Empty11929.3 %11997.6 %
Center Axle - Loaded40474.7 %41092 %
Variants — Source comparison annotation
Source guideDiffering-field count reported
D30D, D350D, and D350D Wide Axle19
Ratios
FigureD30DD350DD350D Wide Axle
Engine horsepower per 1,000 lb of weight5.95.35.2
Fuel tank per engine horsepower0.42 gal0.42 gal0.42 gal
Rated payload per cubic yard of heaped body2,666 lb2,609 lb2,675 lb
Reference directory classification
Equipment grouparticulated dump truck
D30D, D350D, and D350D Wide Axle: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsarticulated dump truckCat and the D30D. That is too few titles to say what owners mostly ask about, so the most recent are listed instead1
Used market for the D30D, D350D, and D350D Wide Axle — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat articulated dump truck2
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
D30D11990$39,900$39,900$39,900None shown
D350D11991$29,900$29,900$29,900None shown
D30D, D350D, and D350D Wide Axle: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the articulated dump truck D30D, D350D, D350D Wide AxleNo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat D30D — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Cat D350D — RitchieSpecs. Observed 2026-09-24.
Reference site
Forum threads
Used-market listings
Federal agency data
Recorded observations — Classification in the linked listing
GuideAs-listed machine class
Cat D30D, D350D, and D350D Wide Axlearticulated dump truck

Cat D30D, D350D, and D350D Wide Axle: Configuration records

D30D
SpecificationSource figure
Dump
Capacity - Struck16.49 yd3
Capacity - Heaped22.5 yd3
Rated Payload59,979 lb
Engine
Gross Power285 hp
Displacement640.8 cu in
Operational
Fuel Capacity118.9 gal
Tire Size29.5x25 Radials
Transmission and speeds
Number Of Forward Gears5
Max Speed32.4 mph
Weights
Total Empty48,281 lb
Total Loaded108,260 lb
Dimensions and weight
Overall Length29.14 ft
Overall Width10.83 ft
Overall Height11.16 ft
Wheelbase16.25 ft
Dump Height17.92 ft
Additional specifications
Front Axle - Empty31,866 lb
Rear Axle - Empty16,416 lb
Front Axle - Loaded47635.3 %
Rear Axle - Loaded60,625 lb

Source

D350D
SpecificationSource figure
Dump
Capacity - Struck20.93 yd3
Capacity - Heaped26.82 yd3
Rated Payload69,977 lb
Engine
Gross Power285.7 hp
Displacement640.8 cu in
Operational
Fuel Capacity118.9 gal
Tire Size26.5x25 Radials
Transmission and speeds
Number Of Forward Gears5
Max Speed29.9 mph
Weights
Total Empty54,223 lb
Total Loaded124,200 lb
Dimensions and weight
Overall Length32.65 ft
Overall Width9.85 ft
Overall Height10.93 ft
Wheelbase19.33 ft
Dump Height21.4 ft
Additional specifications
Front Axle - Empty30,364 lb
Center Axle - Empty11929.3 %
Rear Axle - Empty11,929 lb
Front Axle - Loaded42227.4 %
Center Axle - Loaded40474.7 %
Rear Axle - Loaded40,475 lb

Source

D350D Wide Axle
SpecificationSource figure
Dump
Capacity - Struck18.32 yd3
Capacity - Heaped26.16 yd3
Rated Payload69,988 lb
Engine
Gross Power285 hp
Displacement640.8 cu in
Operational
Fuel Capacity118.9 gal
Tire Size26.5x25 Radials
Transmission and speeds
Number Of Forward Gears5
Max Speed29.9 mph
Weights
Total Empty54,531 lb
Total Loaded124,519 lb
Dimensions and weight
Overall Length33.11 ft
Overall Width10.83 ft
Overall Height10.93 ft
Wheelbase19.76 ft
Dump Height21.2 ft
Additional specifications
Front Axle - Empty30,539 lb
Center Axle - Empty11997.6 %
Rear Axle - Empty11,998 lb
Front Axle - Loaded42337.6 %
Center Axle - Loaded41092 %
Rear Axle - Loaded41,092 lb

Source

Compare Cat D30D, D350D, D350D Wide Axle
Dimensions and weight
SpecificationD30DD350DD350D Wide Axle
Overall Length29.14 ft32.65 ft33.11 ft
Overall Width10.83 ft9.85 ft10.83 ft
Overall Height11.16 ft10.93 ft10.93 ft
Wheelbase16.25 ft19.33 ft19.76 ft
Dump Height17.92 ft21.4 ft21.2 ft
Dump
SpecificationD30DD350DD350D Wide Axle
Capacity - Struck16.49 yd320.93 yd318.32 yd3
Capacity - Heaped22.5 yd326.82 yd326.16 yd3
Rated Payload59,979 lb69,977 lb69,988 lb
Engine
SpecificationD30DD350DD350D Wide Axle
Gross Power285 hp285.7 hp285 hp
Displacement640.8 cu in640.8 cu in640.8 cu in
Operational
SpecificationD30DD350DD350D Wide Axle
Fuel Capacity118.9 gal118.9 gal118.9 gal
Tire Size29.5x25 Radials26.5x25 Radials26.5x25 Radials
Transmission and speeds
SpecificationD30DD350DD350D Wide Axle
Number Of Forward Gears555
Max Speed32.4 mph29.9 mph29.9 mph
Weights
SpecificationD30DD350DD350D Wide Axle
Front Axle - Empty31,866 lb30,364 lb30,539 lb
Rear Axle - Empty16,416 lb11,929 lb11,998 lb
Front Axle - Loaded47635.3 %42227.4 %42337.6 %
Rear Axle - Loaded60,625 lb40,475 lb41,092 lb
Total Empty48,281 lb54,223 lb54,531 lb
Total Loaded108,260 lb124,200 lb124,519 lb

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