Cat 854 Diesel Engine Specifications DP40N1 to DP55N1, DP40NB to DP55NB, DP70N Service Manual

This PDF Service Manual includes general safety information, technical maintenance, specification details, and troubleshooting data for the Cat Lift Truck 854 Diesel Engine DP40N1 to DP55N1, DP40NB to DP55NB, DP70N Models.

Electronic guide covers engine section, specification section, settings, repair material, many illustrations, different schemes and diagrams. Please, read this manual, and try to follow all rules, notes, and advice, to avoid any breakdowns, injuries, or damage.

This factory manual is in PDF format,, and was written in English. You can work with this Caterpillar product after installing Adobe PDF Reader. In case of any question or remark, or in case of any error in the contents of this service manual, please contact our managers.

Models

99739-69101

854 Diesel Engine
Specifications

DP40N1 AT12C-00011-up
DP45N1 AT19E-50011-up
DP50CN1 AT19E-80011-up
DP50N1 AT28D-50011-up
DP55N1 AT28D-80011-up
DP40NB CT12D-00011-up
DP45NB CT19F-50001-up
DP50CNB CT19F-80001-up
DP50NB CT28E-50001-up
DP55NB CT28E-80001-up
DP70N AT20D-10011-up

Table of Contents

Specifications Section
Engine Design 
Fuel Injection Lines
Fuel Injection Pump
Fuel Injectors 
Fuel Filter Base (Secondary Fuel Filter Base)
Fuel Filter Base (Primary Fuel Filter Base)
Fuel Manifold (Rail)
Lifter Group
Rocker Shaft
Valve Mechanism Cover
Cylinder Head Valves
Cylinder Head
Turbocharger 
Exhaust Gas Valve (NRS)
Exhaust Cooler (NRS) 
Exhaust Manifold
Flexible Exhaust Pipe 
Diesel Particulate Filter (Through Flow Diesel
Particulate Filter (DPF)) 
Diesel Particulate Filter (Wall Flow Diesel
Particulate Filter (DPF)) 
Camshaft
Camshaft Bearings
Engine Oil Filter Base
Engine Oil Cooler
Engine Oil Pump
Engine Oil Pressure
Engine Oil Pan (Cast Iron Oil Pan) 
Engine Oil Pan (Aluminum Oil Pan)
Engine Oil Pan (Pressed Steel Oil Pan) 
Crankcase Breather
Water Temperature Regulator and Housing
Water Pump
Cylinder Block
Crankshaft
Connecting Rod Bearing Journal
Main Bearing Journal
Connecting Rod
Piston and Rings
Piston Cooling Jet
Balancer
Front Housing and Covers
Gear Group (Front)
Flywheel 
Flywheel Housing 
Crankshaft Pulley 
Fan Drive 
Engine Lifting Bracket
Alternator
Starter Motor
Coolant Temperature Sensor
Boost Pressure Sensor (If equipped) 
Oxygen Sensor
Inlet Manifold Temperature Sensor (If
equipped)
Inlet Manifold Temperature and Pressure Sensor
(If equipped)
Temperature Sensor (DPF Inlet)
Temperature Sensor (DOC Inlet)
Pressure Sensor (NOx Reduction System)
Temperature Sensor (NOx Reduction System)
Speed/Timing Sensor 
Electronic Control Module 
Glow Plugs 
Index Section
Index