Started by three former executives of the Hayes Manufacturing Company, Pacific also concentrated on logging trucks, although they have since branched out into vehicles for the construction and oil industries, and have made a number of fire engines. Now a wholly-owned subsidiary of International Harvester, Pacific build four basic models including a highway truck, the P-9. Detroit Diesel and Cummins engines are used.

G.N. Georgano & G. Marshall Naul - The Complete Encyclopedia of Commercial Vehicles

Albert Mroz - Illustrated Encyclopedia of American Trucks & Commercial Vehicles

Denis Miller - The Illustrated Encyclopedia of Trucks and Buses

Tad Burness - American Truck Spotter's Guide, 1920-1970

Tad Burness - American Truck & Bus Spotter's Guide, 1920-1985

Robert M Roll - American trucking: A seventy-five year odyssey

David Jacobs - American Trucks: A photographic essay of American Trucks and Trucking

David Jacobs - American Trucks: More Colour Photographs of Truck & Trucking

John Gunnell - American Work Trucks: A Pictorial History of Commercial Trucks 1900-1994

George W. Green - Special-Use Vehicles: An Illustrated History of Unconventional Cars and Trucks

Daniel D. Hutchins - Wheels Across America: Carriage Art & Craftsmanship

Ronald G. Adams - 100 Years of Semi Trucks

Stan Holtzman - Big Rigs: The Complete History of the American Semi Truck

Stan Holtzman & Jeremy Harris Lipschultz - Classic American Semi Trucks

Stan Holtzman - Semi Truck Color History

Donald F. Wood - American Beer Trucks

Donald F. Wood - Beverage Trucks: Photo Archive

Donald F. Wood - Commercial Trucks

Donald F. Wood - Delivery Trucks

Donald F. Wood - Dump Trucks

Donald F. Wood - Gas & Oil Trucks

Donald F. Wood - Logging Trucks 1915 Through 1970: Photo Archive

Donald F. Wood - New Car Carriers 1910-1998 Photo Album

Donald F. Wood - RVs & Campers 1900-2000: An Illustrated History

Donald F. Wood - Wreckers and Tow Trucks

Gini Rice - Relics of the Road

Gini Rice - Relics of the Road - Impressive International Trucks 1907-1947

Gini Rice - Relics of the Road - Keen Kenworth Trucks - 1915-1955

Richard J. Copello - American Car Haulers

Niels Jansen - Pictorial History of American Trucks

John B. Montville - Refuse Trucks: Photo Archive

Bill Rhodes - Circus and Carnival Trucks 1941-2000: Photo Archive

Howard L. Applegate - Coca-Cola: Its Vehicles in Photographs 1930 Through 1969: Photo Archive

James T. Lenzke & Karen E. O'Brien - Standard Catalog of American Light-Duty Trucks: 1896-2000

James K. Wagner - Ford Trucks since 1905

Don Bunn - Dodge Trucks

Fred Crismon - International Trucks

Don Bunn - Encyclopedia of Chevrolet Trucks

Walter M.P. McCall & George H. Dammann - American Fire Engines Since 1900

Fred W. Crismon - Fire Engines

Bob Dubbert - Encyclopedia of Canadian Fire Apparatus

Donal M. Baird - A Canadian History of Fire Engines

Phil DaCosta - One Hundred Years of America's Fire Fighting Apparatus

Bill Hass - History of the American Water Towers

Hans Halberstadt - The American Fire Engine

Hans Halberstadt - Fire Engines

T.A. Jacobs - A History of Fire Engines

Matthew Lee - A Pictorial History of the Fire Engine

M.W. Goodman MD - Inventing the American Fire Engine: An Illustrated History of Fire Engine Patents

Consumer's Guide - The Complete Book of Fire Engines: A colorful Review of Today's Fire Apparatus

Sheila Buff - Fire Engines in North America

Sheila Buff - Fire Engines: Motorized Apparatus Since 1900

Neil Wallington - World Encyclopedia of Fire Engines: an illustrated guide to fire trucks around the world

Keith Ryan & Neil Wallington - The Illustrated History of Fire Engines

Paul Barrett - Heavy Rescue Trucks: 1931 - 2000 Photo Gallery

Larry Shapiro - Aerial Fire Trucks

Larry Shapiro - Fighting Fire Trucks

Larry Shapiro - Hooks and Ladders

Larry Shapiro - Pumpers: Workhorse Fire Engines

Donald F. Wood - American Volunteer Fire Trucks

Donald F. Wood - Big City Fire Truck 1900-1950

Donald F. Wood & Wayne Sorensen - Big City Fire Trucks: 1951-1996

Donald F. Wood & Wayne Sorenson - Motorized Fire Apparatus of the West, 1900-1960

Donald F. Wood & Wayne Sorensen - New York City Fire Trucks

Donald F. Wood & Wayne Sorenson - Volunteer & Rural Fire Apparatus Photo Gallery

Kenneth Little - Chicago Fire Department engines: Sixty years of motorized pumpers, 1912-1972

Kenneth Little - Chicago Fire Department hook & ladder tractors, 1914-1971

Ron Jeffers - The apparatus of the Jersey City Fire Department: Yesterday and today

John Rieth - Jersey Shore Fire Apparatus: Classic Thru the 60's

Philip R. Lincoln - Massachusetts fire apparatus: A pictorial Collection

Charles Madderom - Los Angeles City Fire Apparatus: 1953 Through 1999 Photo Archive

George Klass - Fire apparatus: A pictorial history of the Los Angeles Fire Department

John A. Calderone - Wheels of the bravest: A history of FDNY fire apparatus, 1865-1992

Peter Aloisi - Apparatus and fires across America: Featuring former FDNY apparatus

Scott Schimpf - Fire Apparatus of Philadelphia

Harrold Shell - Past and present: A history of Phoenix fire trucks

Leo E. Duliba - Industrial & Private Fire Apparatus: 1925 Through 2001 Photo Archive

Daniel D. Hutchins - Wheels Across America: Carriage Art & Craftsmanship

George W. Green - Special-Use Vehicles: An Illustrated History of Unconventional Cars and Trucks

William T. King - History of the American Steam Fire-Engine

John M. Peckham - Fighting fire with fire: A pictorial volume of steam fire-fighting apparatus