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Backhoe Loader · 1971Unverified

International Harvester 3820

International Harvester 3820 — Backhoe loader tractor · 101 hp. Reference specifications; pending source verification.

The International Harvester 3820 is a backhoe loader with a rated power of 101 hp, which puts it at the powerful end of its class. The 3820 was built from 1971 to 1975. Power comes from a 6-cylinder diesel liquid-cooled engine, paired with four-wheel drive with a hydrostatic transmission. It has a listed operating weight of 15000 to 19500 pounds, and it suits operations of 200–800 ac. Full UK and US specifications are listed below, each with its source.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power
101 hp
Weight
15000 to 19500 pounds

Catalogue coverage

Variants represented
2
Richest spec table
69 rows
Recorded power
101 hp
Transmissions
2-speed full power shift
Production years
1971-1975
Verified variants
0

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference
Backhoe loader tractorReference
Built in Louisville, Kentucky, USAReference
Total built601Reference
Drive4x4 4WDReference
Final drivesplanetaryReference
Steeringhydrostatic powerReference
Hydraulic brakesReference
Open operator station. Four-post ROPS and cab available.Reference

Engine

International Harvester 5.1L 6-cyl dieselReference
Engine (gross)75.3 kWReference
Engine (net)62.6 kWReference
International Harvester D-310Reference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement5.1 LReference
Bore/Stroke98 x 111 mmReference
Power (net)62.6 kWReference
Power (gross)75.3 kWReference
Rated RPM2300Reference
Idle RPM900-2300Reference
Starter typeelectricReference
Oil capacity11.4 LReference
Coolant capacity22.4 LReference

Transmission

2-speed full power shiftReference
Typefull power shiftReference
Gears2 forward and 1 reverseReference
Oil capacity34.1 LReference

Capacities

Fuel117.3 LReference

PTO & Hydraulics

Hydraulic system206.3 LReference
Capacity206.3 LReference
Pressure165.5 barReference
Pump flow121.1 lpmReference
Pump flow51.1 lpmReference
Pump flow172.2 lpmReference
Steering flow34.1 lpmReference

Dimensions

Wheelbase195 cmReference
Weight15000 to 19500 poundsReference
Front tire15.5-25Reference
Rear tire15.5-25Reference
Industrial front15.5-25Reference
Industrial rear15.5-25Reference
Length690 cmReference
Width228 cmReference
Height (ROPS)289 cmReference
Height (backhoe)373 cmReference
Ground clearance35 cmReference
Front tread185 cmReference
Rear tread185 cmReference
6804 kgReference
Shipping8686 kgReference
Operating8845 kgReference
Max front axle9072 kgReference
Max rear axle9072 kgReference

Backhoe & Loader

Dig depth496 cmReference
Dump angle114 cmReference

Attachment overview

Front-end loaderReference
BackhoeReference

International Backhoe

Backhoe typeInternational BackhoeReference
Transport height373 cmReference
Bucket width76 cmReference
Digging depth496 cmReference
2-Foot flat digging depth492 cmReference
Reach from pivot599 cmReference
Loading height322 cmReference
Bucket Rotation171°Reference
Bucket force6058 kgReference
Dipperstick force3191 kgReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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