Machine models

Cat 793C specifications

Entries in this reference
Listing-entry count
1

Short answer

Cat 793C: rigid rock truck.

Selected configuration figures
Configuration	Documented field and quantity
793C	Gross Power 2,300 hp Overall Length 42.23 ft

Operational
Specification	793C
Fuel Capacity	1,001 gal
Tire Size	40R57

Transmission and speeds
Specification	793C
Max Speed	33.4 mph

Weights
Specification	793C
Empty Weight	250,247 lb
Loaded Weight	830,019 lb
Weight Distribution Front - Empty	47 %
Weight Distribution Rear - Empty	53 %
Weight Distribution Front - Loaded	33.6 %
Weight Distribution Rear - Loaded	66.4 %

Ratios
Figure	793C
Engine horsepower per 1,000 lb of weight	8.7
Fuel tank per engine horsepower	0.46 gal
Rated payload per cubic yard of heaped body	2,916 lb

Reference directory classification
Equipment group	rigid rock truck

Where the 793C ranks in Cat's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Cat	rigid rock truck	793C	Descending quantity; 1 is largest

Figure	793C	Rank	Lowest in line	Highest in line
Engine power	2,166.0 hp	7 of 24	450.0 hp	4,000.0 hp
Listed weight	250,247 lb	5 of 14	66,500 lb	584,225 lb
Fuel capacity	1,001.0 gal	5 of 22	140.0 gal	1,800.0 gal
Horsepower per 1,000 lb	8.7 hp	2 of 14	5.8 hp	10.1 hp
Rated payload	492,000.0 lb	3 of 14	79,000.0 lb	793,664.0 lb

The 793C beside its neighbours
Base version	789	793C	793D
Engine power	2,100 hp	2,166 hp	2,337 hp
Weight	793C: 250,247 lb; 793D: 351,258 lb
Fuel capacity	793C: 1,001 gal; 793D: 1,150 gal
Wheelbase	57,000 mm	19.36 ft	19.43 ft
Rated payload	793C: 492,000 lb; 793D: 480,000 lb

793C: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	rigid rock truck	Cat and the 793C. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	1

Used market for the 793C — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat rigid rock truck	2

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
793C	2	2005	None shown	None shown	None shown	None shown

793C: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the rigid rock truck 793C	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 793C — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 793C — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 793C — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Cat 793C questions

Dated listing search without advertised prices
Date	Listing index	Equipment class	Names queried	Listings	Price observation
2026-09-24	MachineryTrader	rigid rock truck	793C	2	No prices shown in this snapshot

793C

Specification	Source figure
Engine
Gross Power	2,300 hp
Net Power	2,166 hp
Displacement	4,211 cu in
Engine Model	3516A
Transmission and speeds
Max Speed	33.4 mph
Weights
Empty Weight	250,247 lb
Loaded Weight	830,019 lb
Weight Distribution Front - Empty	47 %
Weight Distribution Rear - Empty	53 %
Weight Distribution Front - Loaded	33.6 %
Weight Distribution Rear - Loaded	66.4 %
Dimensions and weight
Overall Width	24.32 ft
Overall Height	21.1 ft
Wheelbase	19.36 ft
Dump Height	43.34 ft
Dump
Load Capacity - Struck	125.57 yd3
Load Capacity - Heaped	168.73 yd3
Rated Payload	492,000 lb
Operational
Fuel Capacity	1,001 gal
Tire Size	40R57
Additional specifications
Overall Length	42.23 ft