Machine models

Cat 769D specifications

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Short answer

Cat 769D: rigid rock truck.

Selected configuration figures
ConfigurationDocumented field and quantity
769D
Gross Power
510 hp
Operating Weight - Empty
68,900 lb
769D specification matrix — Dimensions and weight
Specification769D
Overall Length26.37 ft
Overall Width12.83 ft
Overall Height12.11 ft
Wheelbase12.19 ft
Ground Clearance2.06 ft
Dump Height25.43 ft
Dump Ground Clearance1.53 ft
Inside Body Depth - Maximum4.56 ft
Inside Body Length17.31 ft
Dump Clearance1.53 ft
Centerline Front Tire Width10.18 ft
Centerline Of Rear Dual Tire Width8.1 ft
Loading Height - Empty10.31 ft
Operating Width16.63 ft
Overall Body Length24.98 ft
Overall Canopy Width14.43 ft
Overall Height - Body Raised25.29 ft
Overall Tire Width11.76 ft
Inside Body Width12 ft
Rear Axle - Clearance2.02 ft
Rear Axle - Tail8.34 ft
Wheel Base12.18 ft
Engine Guard Clearance2.06 ft
Front Canopy Height12.97 ft
Height - Top Of ROPS12.11 ft
Dump
Specification769D
Dump Angle60 degrees
Load Capacity - Struck22.24 yd3
Load Capacity - Heaped31.66 yd3
Rated Payload79,000 lb
Lower Time8.31 sec
Raise Time7.5 sec
Engine
Specification769D
Engine Model3408ETA
Net Power485 hp
Gross Power510 hp
Power Measured @2,000 rpm
Max Torque1,618 lb-ft
Displacement1,099 cu in
Net Power - Cat68,900 hp
Net Power - ISO 924947 hp
Net Power - SAE J134937.4 hp
Net Power - 80/1269/Eec21.2 hp
Gross Power - SAE J1995485 hp
Flywheel Power485 hp
Operational
Specification769D
Fuel Capacity140.1 gal
Cooling System Fluid Capacity30 gal
Engine Oil Capacity11.9 gal
Diff And Final Drive Fluid Capacity22 gal
Steering System Fluid Capacity14.8 gal
Brake/Hoist System Fluid Capacity73.2 gal
Hydraulic System Fluid Capacity41 gal
Tire Size18-R33
Transmission and speeds
Specification769D
Number Of Gears - Forward8
Number Of Gears - Reverse1
Max Speed48.3 mph
Reverse10.31 mph
Forward - 17.9 mph
Forward - 210.7 mph
Forward - 314.5 mph
Forward - 419.6 mph
Forward - 526.5 mph
Forward - 635.6 mph
Forward - 748.3 mph
Weights
Specification769D
Empty Weight78,088 lb
Loaded Weight157,410 lb
Weight Distribution Front - Empty49.7 %
Weight Distribution Rear - Empty50.3 %
Weight Distribution Front - Loaded33.2 %
Weight Distribution Rear - Loaded66.8 %
Tires
Specification769D
Standard Tire18.00R33(E-4)
Body Hoists
Specification769D
Pump Flow - High Idle110.16 gpm
Relief Valve Setting - Raise2,498 psi
Body Raise Time - High Idle7.5 s
Body Lower Time - Float8.3 s
Body Power Down - High Idle8.3 s
Final Drives
Specification769D
Planetary RatioPlanetary 4.80:1 reduction
Operating Specifications
Specification769D
Circle Clearance Diameter65 ft
Nominal Payload Class (100%)70,820 lb
Top Speed - Loaded47 mph
Body Capacity - Struck21.2 yd3
Maximum Capacity74,800 lb
Raise Time7.5 s
Lower Time8.3 s
Body Capacity - SAE 2:130.7 yd3
Service Refill Capacities
Specification769D
Cooling System30.2 gal
Differential - Final Drives22 gal
Steering Tank9 gal
Steering System - Including Tank14.8 gal
Fuel Tank140 gal
Torque Converter - Transmission System - Including Sump19.1 gal
Brake Hoist System - Includes Tank73.2 gal
Weight Distributions Approximate
Specification769D
Front Axle - Empty49.8 %
Front Axle - Loaded33.3 %
Rear Axle - Empty50.2 %
Rear Axle - Loaded66.7 %
Weights Approximate
Specification769D
Operating Weight - Empty68,900 lb
Operating Weight - Loaded150,000 lb
Ratios
Figure769D
Engine horsepower per 1,000 lb of weight7.0
Fuel tank per engine horsepower0.29 gal
Rated payload as a share of empty weight101%
Rated payload per cubic yard of heaped body2,495 lb
Reference directory classification
Equipment grouprigid rock truck
Where the 769D ranks in Cat's list — Scope of the captured comparison
BrandEquipment groupCompared entrySort order
Catrigid rock truck769DDescending quantity; 1 is largest
Figure769DRankLowest in lineHighest in line
Engine power485.0 hp21 (tied) of 24450.0 hp4,000.0 hp
Listed weight68,900 lb12 of 1466,500 lb584,225 lb
Fuel capacity140.1 gal19 (tied) of 22140.0 gal1,800.0 gal
Horsepower per 1,000 lb7.0 hp4 of 145.8 hp10.1 hp
Rated payload79,000.0 lb14 of 1479,000.0 lb793,664.0 lb

The 769D beside its neighbours

Base version769D772 Bare Chassis
Engine power485 hp605 hp
Weight769D: 68,900 lb
Fuel capacity140.1 gal140 gal (US)
Wheelbase769D: 12.19 ft
Rated payload769D: 79,000 lb
769D: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsrigid rock truckCat and the 769D. That is too few titles to say what owners mostly ask about, so the most recent are listed instead7
Used market for the 769D — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat rigid rock truck9
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
769D91998 to 2006$25,000$220,000$78,1387,225
769D: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the rigid rock truck 769DNo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat 769D — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data
Recorded observations — Forum-title snapshot
Observation fieldRecorded value
Title count7
Forum indexesHeavy Equipment Forums
Search wordingthe 769D rigid rock truck
Latest title quoted by the referenceCAT 769d Service Code

Cat 769D: Configuration records

769D
SpecificationSource figure
Dimensions and weight
Overall Length26.37 ft
Overall Width12.83 ft
Overall Height12.11 ft
Wheelbase12.19 ft
Dump Height25.43 ft
Dump Ground Clearance1.53 ft
Rear Axle - Tail8.34 ft
Rear Axle - Clearance2.02 ft
Overall Canopy Width14.43 ft
Dump
Load Capacity - Heaped31.66 yd3
Load Capacity - Struck22.24 yd3
Rated Payload79,000 lb
Dump Angle60 degrees
Engine
Gross Power510 hp
Net Power485 hp
Power Measured @2,000 rpm
Displacement1,099 cu in
Engine Model3408ETA
Net Power - ISO 924947 hp
Gross Power - SAE J1995485 hp
Max Torque1,618 lb-ft
Net Power - SAE J134937.4 hp
Net Power - 80/1269/Eec21.2 hp
Flywheel Power485 hp
Operational
Fuel Capacity140.1 gal
Cooling System Fluid Capacity30 gal
Engine Oil Capacity11.9 gal
Diff And Final Drive Fluid Capacity22 gal
Steering System Fluid Capacity14.8 gal
Brake/Hoist System Fluid Capacity73.2 gal
Hydraulic System Fluid Capacity41 gal
Tire Size18-R33
Transmission and speeds
Number Of Gears - Forward8
Number Of Gears - Reverse1
Max Speed48.3 mph
Forward - 17.9 mph
Forward - 210.7 mph
Forward - 314.5 mph
Forward - 419.6 mph
Forward - 526.5 mph
Forward - 635.6 mph
Forward - 748.3 mph
Reverse10.31 mph
Weights
Empty Weight78,088 lb
Loaded Weight157,410 lb
Weight Distribution Front - Empty49.7 %
Weight Distribution Rear - Empty50.3 %
Weight Distribution Front - Loaded33.2 %
Weight Distribution Rear - Loaded66.8 %
Tires
Standard Tire18.00R33(E-4)
Body Hoists
Pump Flow - High Idle110.16 gpm
Relief Valve Setting - Raise2,498 psi
Body Power Down - High Idle8.3 s
Body Raise Time - High Idle7.5 s
Body Lower Time - Float8.3 s
Final Drives
Planetary RatioPlanetary 4.80:1 reduction
Operating Specifications
Nominal Payload Class (100%)70,820 lb
Top Speed - Loaded47 mph
Body Capacity - SAE 2:130.7 yd3
Circle Clearance Diameter65 ft
Body Capacity - Struck21.2 yd3
Maximum Capacity74,800 lb
Service Refill Capacities
Fuel Tank140 gal
Cooling System30.2 gal
Differential - Final Drives22 gal
Steering Tank9 gal
Steering System - Including Tank14.8 gal
Torque Converter - Transmission System - Including Sump19.1 gal
Brake Hoist System - Includes Tank73.2 gal
Weight Distributions Approximate
Front Axle - Empty49.8 %
Front Axle - Loaded33.3 %
Rear Axle - Empty50.2 %
Rear Axle - Loaded66.7 %
Weights Approximate
Operating Weight - Empty68,900 lb
Operating Weight - Loaded150,000 lb
Additional specifications
Ground Clearance2.06 ft
Overall Body Length24.98 ft
Inside Body Length17.31 ft
Wheel Base12.18 ft
Dump Clearance1.53 ft
Loading Height - Empty10.31 ft
Inside Body Depth - Maximum4.56 ft
Overall Height - Body Raised25.29 ft
Operating Width16.63 ft
Centerline Front Tire Width10.18 ft
Engine Guard Clearance2.06 ft
Inside Body Width12 ft
Front Canopy Height12.97 ft
Overall Tire Width11.76 ft
Centerline Of Rear Dual Tire Width8.1 ft
Height - Top Of ROPS12.11 ft
Lower Time8.31 sec
Raise Time7.5 sec

Source

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