QSB6.7 for Agriculture (Tier 3)

Available for: Off-Highway, Agriculture

Overview

QSB6.7 for Agriculture (Tier 3)The Tier 3 and Stage IIIA Cummins QSB6.7 takes you to a whole new level of power, versatility and emissions control. It achieves Tier 3 and Stage IIIA compliance with in-cylinder technology that maintains a compact and simple installation that provides premium performance to every agriculture application.

This new 6.7-liter diesel is ready to handle your toughest job. It offers major enhancements that make every piece of farm equipment work harder, smarter, quieter and longer. Every time.

The QSB6.7 is based on the highly successful B Series engines with charge air cooling and turbocharging for strong performance and offers power ratings from 133-275 hp (99-205 kW).

This engine combines proven full-authority electronic controls with the impressive reliability and durability and long maintenance intervals you expect from one of the world's most successful and durable engine designs.

The QSB6.7 offers a wide range of standard features. Every QSB has improved cold-start capability and is 5-9 decibels quieter in operation than its predecessor. Making it as quiet at full load as the previous QSB did at no load!

To ensure that every QSB6.7 is perfectly matched to every piece of equipment, Cummins PowerMatch and Advisor are ready to provide expert assistance with your spec'ing and installation process.

Every QSB6.7 engine is covered by Cummins three-step warranty, one of the most comprehensive and simplest plans in the industy.

Specifications

The QSB6.7 uses in-cylinder combustion technology to meet emissions standards without external components, and is compatible with high-sulfur fuels for worldwide use. It features a High Pressure Common Rail (HPCR) fuel system, and robust electronic controls make for a highly durable, highly fuel-efficient power plant.

Not only does it have one of the highest power-to-weight ratios of any engine in its class, the QSB6.7 also has a very low cost of operation. Ratings that range from 130-275 hp (97-205 kW) deliver the power and the versatility you need to match your equipment. In every situation.

Specifications.
Engine Type In-Line, 6-Cylinder
Displacement 6.7 L* (408 cu in)
Advertised Horsepower 130-275 hp (97-205 kW)
Peak Torque 730 lb-ft (990 N•m)
Aspiration Turbocharged and Charge Air Cooled
Oil System Capacity 15-25.3 U.S. qt (14.2-23.9 L*)
Coolant Capacity 10.6 U.S. qt (10 L*)
Length 41.7 in (1,059 mm)
Width 28.6 in (725 mm)
Height 37.8 in (960 mm)
Wet Weight 1,047 lb (475 kg)

*L=Liters/Litres

Engine Finder Specifications

Markets
Certification Level Tier 3 / Stage IIIA
Power 133 - 275 hp / 99 - 205 kW
Torque 431 - 730 lb-ft / 584 - 990 N•m

Ratings

 
Engine Model Advertised hp (kW) @ rpm Peak hp (kW) @ rpm Peak Torque lb-ft (N•m) @ rpm
QSB 275* 275 (205) @ 2500 275 (205) @ 2300 730 (990) @ 1500
QSB 260 260 (194) @ 2500 270 (201) @ 2300 730 (990) @ 1500
QSB 260 260 (194) @ 2400 270 (201) @ 2200 730 (990) @ 1500
QSB 260 260 (194) @ 2300 270 (201) @ 2100 730 (990) @ 1500
QSB 260 260 (194) @ 2200 270 (201) @ 2000 730 (990) @ 1400
QSB 250 250 (186) @ 2500  260 (294) @ 2300  728 (987) @ 1500 
QSB 240 240 (179) @ 2500  250 (186) @ 2300  728 (987) @ 1500 
QSB 240 240 (179) @ 2000  245 (183) @ 2000  727 (986) @ 1500 
QSB 220 220 (164) @ 2300 230 (172) @ 2100 700 (949) @ 1500
QSB 220 220 (164) @ 2200 230 (172) @ 2000 697 (945) @ 1400
QSB 220 220 (164) @ 2000 230 (172) @ 1800 700 (949) @ 1400
QSB 215 215 (160) @ 2500 225 (168) @ 2300 655 (888) @ 1500
QSB 205** 205 (153) @ 1800 209 (156) @ 1600 685 (929) @ 1300
QSB 200 200 (149) @ 2100 200 (149) @ 2100 548 (743) @ 1500
QSB 190 190 (142) @ 2400 204 (152) @ 1900 685 (929) @ 1500
QSB 190** 190 (142) @ 2300 203 (151) @ 1900 685 (930) @ 1500
QSB 189 189 (141) @ 2050 189 (141) @ 2050 541 (733) @ 1500
QSB 185 185 (138) @ 2500 185 (138) @ 1500 575 (780) @ 1500
QSB 173 173 (129) @ 2500 178 (133) @ 2300 590 (800) @ 1500
QSB 173** 173 (129) @ 2200 178 (133) @ 2000 590 (800) @ 1400
QSB 171** 171 (128) @ 2000 171 (128) @ 2000 485 (658) @ 1500
QSB 160 160 (119) @ 2500 165 (123) @ 1900 540 (732) @ 1500
QSB 160** 160 (119) @ 2300 167 (125) @ 2100 540 (731) @ 1500
QSB 155** 155 (116) @ 2000 155 (116) @ 2000 456 (618) @ 1500
QSB 133** 133 (99) @ 2200 133 (99) @ 2100 431 (584) @ 1450

Features

The advanced features of the QSB6.7 provide many benefits for your farming operation:

  • High Pressure Common Rail Fuel System - Delivers high injection pressure (1600 bar) for improved performance and fuel efficiency at every rpm
  • In-Cylinder Combustion Technology - Meets emissions standards without external components; is compatible with high-sulfur fuels for worldwide use
  • Rear Gear Train - Significantly lowers noise output to meet worldwide noise emission standards
  • Wastegated Turbocharger - Designed by Cummins Turbo Technology. Wastegated for better low-speed performance and high-speed boost
  • Two-Stage Dual Fuel Filter - Provides a balanced level of particle separation to maximize fuel filter life and protect vital fuel system components
  • Parent Bore Cylinder Block - Designed for reduced noise and increased durability
  • Directed Piston Cooling - Lower piston temperatures lead to longer life
  • Wider Camshaft Lobes and Larger Tappet Wear Surface - Enhance durability and reliability

Maintenance

Minimum maintenance has been designed into every QSB6.7. A two-stage dual fuel filter approach consisting of a 10-micron filter and a pressure-side 3-micron filter maximizes fuel filter life. QSB6.7 engines are designed to run up to 500 hours between scheduled fuel and oil filter changes.

For complete maintenance information, please consult your Owner's Manual or Operations and Maintenance Manual.

Brochures Available

Title Bulletin Number Request View  
Cummins Agriculture Brochure - Growing Together (English) - A4 Format 4087328 Request View  Download
Cummins Agriculture Brochure - Growing Together (German) - A4 Format 4087329 View  Download
Every Solution - Tier 3 Engine Brochure 4087035 Request View  Download
QSB Tier 3 for Industrial Applications Spec Sheet 4087063 Request View  Download