Tractors > Allis Chalmers > 840

Allis Chalmers 840 Engine



Allis Chalmers 840 tractor photo
1970 - 1974
Wheel Loader
Series map:
840
940
83.0hp
96.0hp
Engine Detail
Perkins 4.248
diesel
4-cylinder
liquid-cooled inline
Displacement248 ci
4.1 L
Bore/Stroke3.975x5.00 inches
101 x 127 mm
Power (gross)83 hp
61.9 kW
Compression16:1
Rated RPM2500
Idle RPM700-2700
Torque200 lb-ft
271.2 Nm
Torque RPM1400
Starterelectric
Starter volts12
Oil capacity7 qts
6.6 L
Coolant capacity20 qts
18.9 L
Page information
Peter Easterlund - owner of TractorData.com
Copyright 2025 TractorData.com®
TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on May 20, 2025
©2000-2025 - TractorData.com®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.