Caterpillar 769D Dump Truck

Articulating/Rigid

Articulating/Rigid Rigid

Body Hoists

Body Lower Time – Float 8.3 seconds
Body Power Down – High Idle 8.3 seconds
Body Raise Time – High Idle 7.5 seconds
Pump Flow – High Idle 110 gpm (417 lpm)
Relief Valve Setting – Raise 2498.27 psi

Brakes

Brake Standards 11.8

Dimensions

Centerline Front Tire Width 10 ft (3 m)
Dump Ground Clearance 2 ft (0 m)
Dump Height 26 ft (8 m)
Front Canopy Height 13 ft (4 m)
Ground Clearance 2 ft (1 m)
Inside Body Length 17 ft (5 m)
Loading Height – Empty 10 ft (3 m)
Operating Width 17 ft (5 m)
Overall Canopy Width 15 ft (4 m)
Overall Height 12 ft (4 m)
Overall Height – Body Raised 25 ft (8 m)
Overall Length 26 ft (8 m)
Overall Width 13 ft (4 m)
Wheel Base 12 ft (4 m)
Wheelbase 12 ft (4 m)

DRIVE SYSTEM

Drive Config 4×2

Dump

Dump Angle 60 degrees
Load Capacity – heaped 32 cu yd (24 cu m)
Load Capacity – Struck 22 cu yd (17 cu m)
Lower Time 8.3 seconds
Raise Time 7.5 seconds

Engine

Displacement 1,099 cu in (18,001 cu cm)
Engine Model CAT 3408E TA-HEUI
Flywheel Power 485 hp (362 kw)
Gross Power 510 hp (380 kw)
Gross Power – SAE J1995 485 hp (362 kw)
Make Cat
Max Torque 1,618 lbs ft (2,194 nm)
Model 3408E
Net Power 485 hp (362 kw)
Net Power – 80/1269/EEC 21 hp (16 kw)
Net Power – Cat 68,900 hp (51,380 kw)
Net Power – ISO 9249 47 hp (35 kw)
Net Power – SAE J1349 37 hp (28 kw)
Power Measured @ 2000 rpm
Rated Engine Speed 41 rpm
Torque Rise 8.3

Final Drives

Planetary Ratio Planetary 4.80:1 reduction

Operating Specifications

Body Capacity – SAE 2:1 31 cu yd (23 cu m)
Body Capacity – Struck 21 cu yd (16 cu m)
Brake/Hoist System Fluid Capacity 73 gal (277 l)
Circle Clearance Diameter 65 ft (20 m)
Cooling System Fluid Capacity 30 gal (114 l)
Diff and Final Drive Fluid Capacity 22 gal (83 l)
Engine Oil Capacity 12 gal (45 l)
Fuel Capacity 140 gal (530 l)
Hydraulic System Fluid Capacity 41 gal (155 l)
Lower Time 8.3 seconds
Maximum Capacity 74,800 lbs (33,929 kg)
Nominal Payload Capacity 22 lbs (10 kg)
Nominal Payload Class (100%) 70,820 lbs (32,123 kg)
Raise Time 7.5 seconds
Steering System Fluid Capacity 15 gal (56 l)
Tire Size 18-R33
Top Speed – Loaded 47 mph (76 kph)

Service Refill Capacities

Brake Hoist System – Includes Tank 73 gal (277 l)
Brake/Hoist Hydraulic Tank 79,000 gal (299,015 l)
Cooling System 30 gal (114 l)
Differential – Final Drives 22 gal (83 l)
Fuel Tank 140 gal (530 l)
Steering System – Including Tank 15 gal (56 l)
Steering Tank 9 gal (34 l)
Torque Converter – Transmission System – Including Sump 19 gal (72 l)

Tires

Standard Tire 18.00R33(E-4)

Transmission

Forward – 1 8 mph (13 kph)
Forward – 2 11 mph (17 kph)
Forward – 3 15 mph (23 kph)
Forward – 4 20 mph (32 kph)
Forward – 5 27 mph (43 kph)
Forward – 6 36 mph (57 kph)
Forward – 7 48 mph (78 kph)
Max Speed 48 mph (78 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 1
Reverse 10 mph (17 kph)

Weights

Empty Weight 78,088 lbs (35,420 kg)
Front Axle – Empty 49.8%
Front Axle – Loaded 33.3%
Loaded Weight 157,410 lbs (71,400 kg)
Operating Weight – Loaded 150,000 lbs (68,039 kg)
Rear Axle – Empty 50.2%
Rear Axle – Loaded 66.7%
Weight Distribution Front – empty 49.7%
Weight Distribution Front – loaded 33.2%
Weight Distribution Rear – empty 50.3%
Weight Distribution Rear – loaded 66.8%
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