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773E

Off-Highway Trucks

Time proven iron and modern technology combine to provide a highly productive, durable and reliable off-highway truck focused on our customers greatest need…lowest cost-per-ton.

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Engine Model Cat 3412E
Rated Engine Speed 2000 r/min
Number of Cylinders 12
Bore 137 mm
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773E
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OVERVIEW

Performance and efficiency

FEATURES & BENEFITS

FEATURES

Power Train – Cat® 3412E air-to-air after cooled diesel engine features Hydraulic Electronic Unit Injector (HEUI™) for efficient operation. High displacement/low speed ra... Read more

SPECIFICATIONS FOR 773E

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Engine
Engine Model Cat 3412E
Rated Engine Speed 2000 r/min
Number of Cylinders 12
Bore 137 mm
Stroke 152 mm
Displacement 27 l
Net Power - SAE J1349 537 kW
Note (3) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Peak Torque 3436 N·m
Torque Rise 33%
Note (2) Power rating conditions based on standard conditions of 25° C (77° F) and 99 kPa (29.32 in Hg) dry barometer, using 35° C (95° F) API gravity fuel having an LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 30° C (86° F) (reference a fuel density of 838.9 g/L [7.001 lb/gal]).
Gross Power - SAE J1995 567 kW
Note (1) These engine ratings apply at 2,000 rpm when tested under the specified condition for the specified standard.
Note (4) No derating required up to 2300 m (7,500 ft) altitude.
Emissions Meets Tier 2 equivalent/China Nonroad Stage III emission standards.
Operating Specifications
Nominal Payload Class (100%) 44.8 ton (US)
Top Speed - Loaded 62.2 km/h
Transmission
Forward - 1 9.9 km/h
Forward - 2 13.9 km/h
Forward - 3 18.8 km/h
Forward - 4 25.2 km/h
Forward - 5 34.1 km/h
Forward - 6 45.9 km/h
Forward - 7 62.2 km/h
Reverse 13.1 km/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires.
Final Drives
Differential Ratio 3.64:1
Planetary Ratio 4.8:1
Total Reduction Ratio 17.48:1
Note Planetary, full floating.
Brakes
Brake Surface - Rear 61269 cm²
Brake Surface - Front 1395 cm²
Note Meets ISO 3450: 2011 standards up to 99 300 kg (219,000 lb) gross operating weight.
Body Hoists
Relief Valve Setting - Raise 17225 kPa
Pump Flow - High Idle 491 l/min
Body Raise Time - High Idle 9.5 s
Relief Valve Setting - Lower 3445 kPa
Body Power Down - High Idle 17.51 s
Note (2) Power raise in both stages and power down in second stage.
Note (1) Twin, two-stage hydraulic cylinders mounted inside the main frame; double acting cylinders in second stage.
Body Lower Time - Float 12.5 s
Capacity - Dual Slope - 100% Fill Factor
Heaped 2:1 (SAE) 35.2 m³
Struck 26.6 m³
Weight Distributions - Approximate
Front Axle - Loaded 33.8%
Front Axle - Empty 46.6%
Rear Axle - Empty 53.4%
Rear Axle - Loaded 66.2%
Suspension
Effective Cylinder Stroke - Rear 149 mm
Effective Cylinder Stroke - Front 234 mm
Rear axle - Oscillation 8.1°
Service Refill Capacities
Fuel Tank 700 l
Cooling System 122 l
Differential - Final Drives 155 l
Steering Tank 34 l
Brake Hoist System - Includes Tank 307 l
Steering System - Includes Tank 60 l
Crankcase 68 l
Torque Converter - Brake - Hoist Hydraulic Tank 133 l
Torque Converter - Transmission System 53 l
Torque Converter - Transmission System - Including Sump 72 l
Tires
Standard Tire 24.00R35 (E4)
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Note (1) Productive capabilities of the 773E truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
ROPS
ROPS ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008.
FOPS FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
Sound
Sound Standards ISO 6393:2008, SAE J1166:2008
Note (1) The operator sound exposure Leq (equivalent sound pressure level) measured according to work cycle procedures specified in SAE J1166:2008 is 80 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed.
Note (2) The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. When properly installed and maintained and tested with doors and windows closed.
Note (3) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Steering
Steer Angle 31°
Turning Diameter - Front Wheel Track 22 m
Steering Standards Steering standards meet SAE J1511 FEB94 and ISO 5010:2007.
Turning Circle - Clearance Diameter 25 m
Note Separate hydraulic system prevents cross contamination. Steering wheel effort is low and steering wheel cycle times are reduced with a new variable-displacement, piston type steering pump.
Dimensions (Approximate) - Dual Slope Floor
Height - Loading, Empty 3773 mm
Depth, Inside Body, Maximum 1840 mm
Height - Overall - Body Raised 8787 mm
Length - Overall Body 8535 mm
Width - Operating - With Extended Catwalk 5539 mm
Width - Outside Body 3910 mm
Engine Guard Clearance 667 mm
Height - Top of ROPS - Empty 4000 mm
Height - Front Canopy - Loaded 4350 mm
Wheel Base 4191 mm
Rear Axle - Tail 2782 mm
Rear Axle - Clearance 591 mm
Width - Left Railing to Right Side Body 4316 mm
Width - Overall Tire 4457 mm
Width - Outside Front Tires 3966 mm
Width - Operating 5076 mm
Length - Overall 9338 mm
Width - Inside Body 3658 mm
Width - Overall Canopy 4398 mm
Width - Front Tire Center Line 3275 mm
Width - Rear Dual Tire Center Line 2927 mm
Ground Clearance 676 mm
Width - Cab 4040 mm
Length - Inside Body 6400 mm
Height - Top of ROPS - Loaded 3900 mm
Dump Clearance - Empty 566 mm
Height - Front Canopy - Empty 4393 mm
Weights - Dual Slope - Without Liner
Target Gross Machine Weight 99300 kg
Target Payload 59106 kg
Body System Weight 9400 kg
Empty Operating Weight 39621 kg
Weights - Dual Slope - With Liner
Target Gross Machine Weight 99300 kg
Target Payload 55068 kg
Body System Weight 13438 kg
Empty Operating Weight 43659 kg

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