Cat 785 vs Cat 793

The Cat 785 is ahead on: faster, narrower to transport, lower to transport. The Cat 793 is ahead on: more power, dumps higher, lifts or carries more, bigger fuel tank.

Below, every figure both makers publish sits side by side, with the Cat 785 and the Cat 793 drawn to the same scale from their dimension drawings.

Cat · rigid dump truck
Cat 785
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Cat · rigid dump truck
Cat 793
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At a glance

Bold is the machine ahead on each figure, with its lead.

Figure	Cat 785	Cat 793
Gross powerHigher is better	1,193 kW	1,801 kW+51%
Dump height (body raised)Higher is better	12.032 m	13.69 m+14%
Payload (nominal)Higher is better	143 t	232 t+62%
Fuel tankHigher is better	1,552 L	4,354 L+181%
Top speedHigher is better	57.2 km/h+5%	54.3 km/h
Overall widthLower is better	7.562 m+12%	8.6 m
Overall height (canopy)Lower is better	6.035 m+11%	6.81 m
Overall length	11.957 m	13.64 m

All specifications

Every figure the makers publish. Search for one, or show only those that differ.

Differences only(50)

FigureCat 785 Cat 793

Dimensions

Overall length11.957 m13.64 m

Overall width7.562 mOverall canopy width8.6 mOverall canopy width

Overall height (canopy)6.035 mFront canopy height6.81 mFront canopy height

Wheelbase5.18 m5.9 m

Loading height (empty)5.299 m6.17 m

Dump height (body raised)12.032 m13.69 m

Ground clearance1.004 m1.11 m

Height to top of ROPS5.208 m5.63 m

Overall body length11.985 mNot published

Inside body length8.318 mNot published

Rear axle to tail3.829 m3.62 m

Dump clearance1.128 m1.63 m

Rear sidewall height0.874 mNot published

Inside body depth (maximum)2.79 mNot published

Operating width7.535 mNot published

Centre line front tyre width4.85 m5.61 m

Engine guard clearance1.038 m1.294 m

Outside body width6.714 m7.996 m

Inside body width6.01 m7.27 m

Rear axle clearance0.99 m1.23 m

Centre line rear dual tyre width4.285 m5.09 m

Overall tyre width6.277 mOver rear duals7.6 mOver rear duals

Weight

Payload (nominal)143 t232 tNominal rated payload, 40R57 tyres

Gross machine operating weight249,476 kg383,739 kgRated gross machine weight, 40R57 tyres

Chassis weight85,156 kg33.00 R51 tyres; with full fuel and fluids119,271 kgWith full fuel and fluids

Body weight20,927 kgUnlined HP body32,072 kg

Weight distribution, empty (front/rear)48% / 52%48.8% / 51.2%

Weight distribution, loaded (front/rear)33% / 67%33% / 67%

Body

Body capacity (SAE 2:1 heaped)110 m³HP body, 100% fill factor152-191 m³

Body capacity (struck)84 m³HP bodyNot published

Hoist pump flow847 L/minHigh idle854 L/minHigh idle

Body raise time15.0 sHigh idle; lower (float) 15.6 s19.8 sHigh idle; lower (float) 19.9 s

Engine

Engine modelCat 3512ECat 3516E

EmissionsFuel optimized; U.S. EPA Tier 4 Final / EU Stage V available for applicable marketsU.S. EPA Tier 1 equivalent

Gross power1,193 kW (1,600 hp)SAE J1995:2014, at 1,650 rpm1,801 kW (2,415 hp)SAE J1995, at 1,750 rpm

Net power1,125 kW (1,509 hp)SAE J1349:20111,694 kW (2,272 hp)SAE J1349

Displacement58.6 L78 L

Bore x stroke170 mm x 215 mm170 mm x 215 mm

Performance

Top speed57.2 km/hLoaded, 6th gear, 33.00 R51 tyres54.3 km/hLoaded, 6th gear

Turning diameter29.4 mISO 7457:199729.36 m

Steering angle25°30°

Transmission

Transmission6F/1R6F/1R

Total reduction ratio22.75:1Planetary 10.83:128.8:1Differential 1.8:1, planetary 16:1

Tyres

Tyres33.00 R51 (standard for the published speeds); 36.00 R51 optional40.00R57 (standard); 46/90R57 optional

Service capacities

Fuel tank1,552 L4,354 L4922 L optional

DEF tank136 LNot published

Cooling system476 L852 L

Engine oil, with filter204 LCrankcase291 LCrankcase

Differential and final drives527 L1,022 L

Steering system, with tank117 L291 L

Brake/hoist system, with tank541 L1,070 L

Torque converter/transmission system175 LIncludes sump227 LIncludes sump

Service intervals

Hydraulic filters1,000 hoursNot published

Coolant12,000 hours12,000 hours

Sources: Cat 785 Mining Truck Technical Specifications AEXQ3668-03 (05-2025), global · Cat 793 (04) Mining Truck specifications TELQ0260 (05-2026) (Afr-ME, Asia Pacific, CIS, China, India, LACD, SE Asia ...)

Drawn to scale

Side views measured off each maker's dimension drawing, front edges and ground lined up.

Cat 785Cat 793Same scale, front edges and ground lined up.

Cat 785 vs Cat 793: questions

Which has more power, the Cat 785 or Cat 793?

The Cat 793: Cat 785 1,193 kW (1,600 hp), Cat 793 1,801 kW (2,415 hp) (gross power), a 51% difference.

Which lifts or carries more, the Cat 785 or Cat 793?

The Cat 793: Cat 785 143 t, Cat 793 232 t (payload (nominal)), a 62% difference.

Which has the bigger fuel tank, the Cat 785 or Cat 793?

The Cat 793: Cat 785 1,552 L, Cat 793 4,354 L (fuel tank), a 181% difference.

Which is narrower to transport, the Cat 785 or Cat 793?

The Cat 785: Cat 785 7.562 m, Cat 793 8.6 m (overall width), a 12% difference.

Where do these figures come from?

Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.

Can I rent or buy these machines in the UAE?

Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.