Caterpillar 797F

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For an overview of the Caterpillar 797 series, see Caterpillar 797.
Caterpillar 797F
Overview
Manufacturer Caterpillar Inc.
Production Late 2009 - Present
Assembly North America
Body and chassis
Class Ultra
Body style 2-door Dump
Layout Front-engine, rear-wheel-drive layout
Powertrain
Engine Caterpillar 6,469 cu in (106 L) C175-20 ACERT V-20 (t/c diesel)
Transmission 7-speed planetary gearset mechanical
Dimensions
Wheelbase 23 ft 7 in (719 cm)
Length 49 ft 6 in (1,509 cm)
Width 31 ft 3 in (952 cm) - overall tire width (fully loaded)
Height 25 ft 4 in (772 cm) - front canopy height (empty)
Curb weight 1,375,000 lb (623,690 kg)
Chronology
Predecessor 797B

The Caterpillar 797F is an off-highway, ultra class, two-axle, mechanical powertrain haul truck developed and manufactured by Caterpillar Inc. in the United States specifically for high production mining and heavy-duty construction applications worldwide.[1] The 797F is the third, current generation model of the 797 series and is Caterpillar's largest, highest payload capacity haul truck.

Debut

Caterpillar introduced the 797F to the public at MINExpo International in September, 2008. The 797F replaced its predecessor model, the 797B, when the 797F entered full production in late 2009.[2][3] Prior to the introduction of the Caterpillar 797F and the Bucyrus MT6300AC at MINExpo International in September, 2008, the Liebherr T 282B, introduced in 2004, was the only haul truck with a payload capacity of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)..

Improvements

Compared to the 797B, the 797F has a higher payload capacity and a more powerful, more efficient engine. These changes allowed Caterpillar to meet mine operators' needs to increase operational efficiency and reduce costs by increasing the amount of material hauled per trip.

The 797F's increased payload capacity of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). is a Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). increase over the 797B.[4]

Caterpillar replaced the gross Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). [net Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).] Cat 3524B EUI 24-cylinder diesel engine used in the 797B with the gross Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). [net Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).] Cat C175-20 ACERT 20-cylinder diesel engine, enabling the 797F to maintain the 42 mph (68 km/h) top speed of the 797B while transporting a heavier Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). payload.[5]

Powertrain

Engine

A gross Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). [net Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).] Cat C175-20 ACERT single block, 20-cylinder, electronic common rail injection, quad turbocharged, air-to-air intercooled, four-stroke diesel engine powers the 797F.[5] The power rating of the C175-20 is valid up to an elevation of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). or up to Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). with a high altitude arrangement.[6]

Transmission

The 797F is equipped with a rear axle mounted, computer controlled, seven speed planetary transmission with an integral lock-up torque converter.[7][8] Caterpillar is the only manufacturer of ultra class haul trucks to employ a hydraulic torque converter transmission. All ultra class haul trucks offered by competitors employ diesel-electric transmissions.

Tires

The Caterpillar 797F uses six 59/80R63 Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Michelin XDR or Bridgestone V-Steel Rock Deep radial tires.[9][10][11]

Assembly

See Caterpillar 797 - Manufacturing and Assembly

Transportation

See Caterpillar - 797 Transportation

Final Assembly

See Caterpillar - 797 Final Assembly

Caterpillar 797 Series Specifications

Caterpillar 797 Series Specifications
Specification 797 797B 797F
Public Introduction 1999 2002 2008
Nominal Payload Capacity Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Gross Machine Operating Weight Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Engine Make & Model Cat 3524B High Displacement EUI Cat 3524B High Displacement EUI Cat C175-20 ACERT
Engine Arrangement V-12 x 2 V-12 x 2 V-20
Engine Power Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). net Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). net (SAE J1349) Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). net (SAE J1349)
Top Speed (Loaded) 40 mph (64 km/h) 42 mph (68 km/h) 42 mph (68 km/h)
Overall Height to Top of ROPS (Empty) 23 ft 8 in (7.21 m) 24 ft 11 in (7.59 m) 21 ft 5 in (6.53 m)
Overall Height (Body Raised) 49 ft 3 in (15.01 m) 50 ft 2 in (15.29 m) 51 ft 6 in (15.70 m)
Overall Length 47 ft 7 in (14.50 m) 47 ft 5 in (14.45 m) 49 ft 6 in (15.09 m)
Overall Tire Width (loaded) 30 ft 0 in (9.14 m) 32 ft 0 in (9.75 m) 31 ft 3 in (9.53 m)
Fuel Capacity Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).

See also

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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