Cat 777E Off-Highway Truck

777E Off-Highway Truck

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Specifications

Engine
Bore 5.7 in
Stroke 6.4 in
Displacement 1959 in³
Engine Power - ISO 14396 1004 HP
Engine Speed 1750 r/min
Gross Power - SAE J1995 1016 HP
Net Power - SAE J1349 949 HP
Net Torque - 1,300 rpm 3509 lb/ft
Operating Specifications
Nominal Payload Class (100%) 102 ton (US)
Top Speed - Loaded 40.9 mile/h
Maximum Payload Class (110%) 108.2 ton (US)
Transmission
Forward - 1 6.6 mile/h
Forward - 3 12.2 mile/h
Forward - 5 22.5 mile/h
Forward - 7 40.9 mile/h
Reverse - 1 7.5 mile/h
Brakes
Brake Surface Area - Front Caliper 432 in²
Brake Surface Area - Front OCDB 6331 in²
Brake Surface Area - Rear 15828 in²
Body Hoists
Body Raise Time - High Idle 15 s
Pump Flow - High Idle 130 gal/min
Capacity - Dual Slope - 100% Fill Factor
Heaped 2:1 (SAE) 78.6 yd³
Struck 55 yd³
Suspension
Effective Cylinder Stroke - Front 12.5 in
Effective Cylinder Stroke - Rear 6.5 in
Service Refill Capacities
Fuel Tank 300 gal (US)
Cooling System 56 gal (US)
Crankcase 29.9 gal (US)
Differentials 58.6 gal (US)
Final Drive - Each 11 gal (US)
Steering System - Includes Tank 15.6 gal (US)
Torque Converter - Brake - Hoist Hydraulic Tank 101.7 gal (US)
Transmission System 32.2 gal (US)
Steering
Turning Diameter - Front 83 ft
Turning Circle - Clearance Diameter 93.17 ft
Capacity - X Body - 100% Fill Factor
Heaped 2:1 (SAE) 83.8 yd³
Struck 56.3 yd³
Dimensions (Approximate) - Dual Slope
Centerline Front Tire Width 13.66 ft
Centerline of Rear Dual Tire Width 11.73 ft
Dump Clearance 2.91 ft
Engine Guard Clearance 2.83 ft
Front Canopy Height - Loaded 17 ft
Ground Clearance 2.93 ft
Height - Top of ROPS - Loaded 15.51 ft
Inside Body Depth - Maximum 6.21 ft
Inside Body Length 21.54 ft
Inside Body Width 17.06 ft
Loading Height - Empty 14.37 ft
Operating Width 20 ft
Operating Width - Extended Catwalk 21.47 ft
Outside Body Width 18.12 ft
Overall Body Length 31.35 ft
Overall Canopy Width 19.87 ft
Overall Front Tire Width 16.28 ft
Overall Height - Body Raised 33 ft
Overall Length 32.82 ft
Overall Tire Width 17.26 ft
Rear Axle - Clearance 2.95 ft
Rear Axle - Tail 10 ft
Wheel Base 15 ft
Dimensions (Approximate) - X Body
Centerline Front Tire Width 13.66 ft
Centerline of Rear Dual Tire Width 11.73 ft
Dump Clearance 2.68 ft
Engine Guard Clearance 2.83 ft
Front Canopy Height - Loaded 17.62 ft
Ground Clearance 2.93 ft
Height - Top of ROPS - Loaded 15.51 ft
Inside Body Depth - Maximum 5.83 ft
Inside Body Length 23.81 ft
Inside Body Width 17.88 ft
Loading Height - Empty 14.53 ft
Operating Width 20 ft
Operating Width - Extended Catwalk 21.47 ft
Outside Body Width 18.66 ft
Overall Body Length 33 ft
Overall Canopy Width 20.34 ft
Overall Front Tire Width 16.28 ft
Overall Height - Body Raised 34.12 ft
Overall Length 33.56 ft
Overall Tire Width 17.26 ft
Rear Axle - Clearance 2.95 ft
Rear Axle - Tail 10.7 ft
Wheel Base 15 ft
Weights - Dual Slope - With Liner
Body System Weight 35428 lb
Empty Operating Weight 155983 lb
Target Gross Machine Weight 360147 lb
Target Payload 204164 lb
Weights - Dual Slope - Without Liner
Body System Weight 35428 lb
Empty Operating Weight 143648 lb
Target Gross Machine Weight 360147 lb
Target Payload 216499 lb
Weights - X Body - With Liner
Body System Weight 35053 lb
Empty Operating Weight 153604 lb
Target Gross Machine Weight 360147 lb
Target Payload 206543 lb
Weights - X Body - Without Liner
Body System Weight 35053 lb
Empty Operating Weight 143274 lb
Target Gross Machine Weight 360147 lb
Target Payload 216873 lb

Features

Power Train

Power Train
The updated Cat® C32 ACERT™ engine and powerful torque converter with ECPC (Electronic Clutch Pressure Control) Transmission provides superior performance. The ECPC Transmission with controlled throttle shifting regulates engine speed, torque converter lock-up and transmission clutch engagement for smoother shifts, reduced clutch wear and longer component life.

Fuel Economy

Fuel Economy
The 777E fuel saving strategies find opportunities to reduce fuel burn and fuel costs. 1) Economy Mode modifies engine maps to take advantage of steady grades and level ground, reducing power and fuel burn. 2) Speed Limiting automatically selects the most fuel efficient gear and speed for the terrain instantaneously. 3) Engine Idle Shutdown identifies when the truck is in park and idles for more than a preset time, and initiates engine shutdown to conserve fuel.

Engine Over Speed Protection

Engine Over Speed Protection
Electronically senses engine conditions and automatically up-shifts one gear to prevent over speeding. If over speeding occurs in the top gear, the lock-up clutch is disengaged, and the brakes are applied.

Operator Comfort

Operator Comfort
The all new operator station interior is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers, switches and gauges are positioned to maximize productivity and minimize operator fatigue. Designed for excellent all-around visibility and clear sight lines to the haul road, the large viewing area offers exceptional visibility. The well positioned hand rails ensure three point contact for safe and easy access and emergency egress for the operator.

Diagnostic Capability

Diagnostic Capability
Critical power train data, including transmission shifting, engine speed and fuel consumption, provides service technicians with enhanced diagnostic capability to reduce downtime and operating costs.

Electronic Technician (ET)

Electronic Technician (ET)
Cat ET service tool provides service technicians with easy access to stored diagnostic data through the Cat Data Link.

Cab and Access

Cab and Access
The 777E cab interior, is completely redesigned to provide better visibility and comfort for the operator. Features include a new dash, advisor display and redesigned center console. Rollover and Falling Object Protection is an extension of the truck frame.

Operator Seat

Operator Seat
The Cat Comfort Seat uses full air suspension to smooth rough rides, and has a retractable four-point seat belt with a shoulder harness. A Trainer seat with a lap belt to facilitate on-the-job training.

Brakes

Brakes
The Cat Front dry caliper with rear oil-cooled multiple disc brakes deliver reliable performance and control in the most extreme haul-road conditions. Wet brakes on rear wheels and gear limiting during body up operations are both standard. If equipped with front oil cooled multiple disc brakes, four corner retarding with a 40/60 percent front/rear split provides superior control in slippery conditions and minimizes wheel lock-up.

Automatic Retarder Control (ARC) (optional)

Automatic Retarder Control (ARC) (optional)
ARC controls braking on grade electronically, maintaining consistent engine speed, lower fuel burn, and better control.

Traction Control System (TCS) (optional)

Traction Control System (TCS) (optional)
The Traction Control System electronically monitors and controls rear wheel slippage for greater traction and enhanced truck performance in poor underfoot conditions. If slippage exceeds a set limit, the rear wet brakes engage to slow the spinning wheel. Torque is then automatically transferred to the wheel with better traction and optimum control.

Steering

Steering
Cat integrated steering and suspension system is designed for precise steering, excellent maneuverability, minimal tire wear and superior ride control.

Secondary Steering

Secondary Steering
Automatically engages if power source for the normal steering fails.

Durability

Durability
Rear wheel spindles are solid steel for longer life, and the rear suspension cylinders have been inverted to minimize contamination. These rugged cylinders use large diameter bore and low pressure nitrogen/oil design for long life with minimal maintenance.

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