QSB6.7 for Agriculture (Tier 3)

Available for: Off-Highway, Agriculture

Overview

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	Off-Highway Agriculture
Certification Level	Tier 3 / Stage IIIA
Power	133 - 275 hp / 100 - 206 kW
Torque	431 - 730 lb-ft / 585 - 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
Every Solution - Tier 3 Engine Brochure	4087035	Request View
QSB Tier 3 Spec Sheet	4087063	Request View