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J.I. Case 680B Construction King
J.I. Case 680B Construction King — Backhoe loader tractor · 71 hp. Reference specifications; pending source verification.
The J.I. Case 680B Construction King is a backhoe loader model with a rated output of 71 hp, placing it centrally in its class for power. Manufactured from 1969 to 1970, this model features a 4-cylinder diesel liquid-cooled engine, which powers a two-wheel drive system through a hydrostatic transmission. The model's listed weight is 6577 kg, and it is designed for use on areas of around 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Catalogue coverage
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Overview
Engine
Transmission
PTO & Hydraulics
Dimensions
Backhoe & Loader
Electrical
Attachment overview
J.I. Case Backhoe
Speeds
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
Handy kit for owners
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Keeps your drink steady on the go — snaps onto any metal surface.

24" mounted tray keeps wrenches, chains, and gear within reach.

Lights up the yard and field for early starts and late finishes.

USB-C strobe beacon adds visibility for roadside and low-light work.
