Compare/J.I. Case 680B Construction King vs J.I. Case 680G Construction King
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J.I. Case 680B Construction King vs J.I. Case 680G Construction King

Verdict: J.I. Case 680B Construction King vs J.I. Case 680G Construction King

The J.I. Case 680B Construction King and the J.I. Case 680G Construction King are both backhoe loaders — here is how they stack up on the figures that matter. J.I. Case 680G Construction King leads on rated power with 88 hp against 71 hp. J.I. Case 680B Construction King is the lighter machine (6,577 kg vs 15,145 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 680G Construction King is the newer design (1979 vs 1969). In short: choose the J.I. Case 680G Construction King for outright pulling power, or the J.I. Case 680B Construction King if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
J.I. Case 680B Construction King Backhoe Loader
J.I. Case
62
Fit score
Best match
Clear
J.I. Case 680G Construction King Backhoe Loader
J.I. Case
62
Fit score
Best match
Clear
Rated power
71 hp
88 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
With 16.9x24 rear tires.Reference
With 16.9x24 rear tires.Reference
Final drives
spur gearReference
outboard planetaryReference
Steering
hydrostatic powerReference
hydrostatic powerReference
Engine
Fuel tank
106.0 LReference
Engine (gross)
52.9 kWReference
65.6 kWReference
Engine (net)
47.7 kWReference
59.7 kWReference
Displacement
4.4 LReference
5.5 LReference
Bore/Stroke
105 x 127 mmReference
117 x 127 mmReference
Power (net)
47.7 kWReference
59.7 kWReference
Power (gross)
52.9 kWReference
65.6 kWReference
Air cleaner
dryReference
dryReference
Rated RPM
2000Reference
2200Reference
Torque
291.5 NmReference
315.9 NmReference
Torque RPM
1300Reference
1500Reference
Starter
electricReference
electricReference
Starter volts
12Reference
24Reference
Oil capacity
26.5 LReference
10.4 LReference
Coolant capacity
28.4 LReference
30.3 LReference
Fuel system
direct injectionReference
Compression
16.5:1Reference
Transmission
Gears
4 forward and reverseReference
4 forward and reverseReference
PTO & Hydraulics
Type
power shuttleReference
power shuttleReference
Pump flow
64.3 lpmReference
67.4 lpmReference
Total flow
159.0 lpmReference
170.3 lpmReference
Hydraulic system
52.2 LReference
Capacity
52.2 LReference
Dimensions
Wheelbase
204 cmReference
218 cmReference
Weight
6577 kgReference
15145 to 17040 poundsReference
Front tire
11.00Lx16Reference
11.00x16Reference
Rear tire
16.9x24Reference
16.9x24Reference
Industrial front
11.00Lx16Reference
11.00x16Reference
Industrial rear
16.9x24Reference
16.9x24Reference
Length
678 cmReference
675 cmReference
Width
208 cmReference
Height (steering wheel)
200 cmReference
Clearance (rear axle)
33 cmReference
38 cmReference
Front tread
179 cmReference
187 cmReference
Rear tread
169 cmReference
167 cmReference
Shipping
6577 kgReference
7729 kgReference
Max front axle
4989 kgReference
6804 kgReference
Clearance (front axle)
34 cmReference
Backhoe & Loader
Dig depth
487 cmReference
511 cmReference
Dump angle
114 cmReference
121 cmReference
Electrical
Charging system
alternatorReference
alternatorReference
Batteries
2Reference
2Reference
Battery volts
12Reference
12Reference
Battery AH
150Reference
Charging amps
40Reference
Attachment overview
J.I. Case Backhoe
Backhoe type
J.I. Case BackhoeReference
J.I. Case Extendahoe BackhoeReference
Digging depth
487 cmReference
511 cmReference
Reach from pivot
582 cmReference
608 cmReference
Loading height
347 cmReference
349 cmReference
Bucket Rotation
157°Reference
142°Reference
Swing Arc
190°Reference
188.7°Reference
Bucket force
5272 kgReference
Dipperstick force
3821 kgReference
Speeds
Capacities
Fuel
113.6 LReference
J.I. Case Extendahoe Backhoe
Digging depth (retracted stick)
511 cmReference
Digging depth (extended stick)
634 cmReference
Reach from pivot (retracted stick)
608 cmReference
Reach from pivot (extended stick)
727 cmReference
Loading height (retracted stick)
349 cmReference
Loading height (extended stick)
382 cmReference
Bucket force (retracted stick)
4981 kgReference
Bucket force (extended stick)
4981 kgReference
Dipperstick force (retracted stick)
2914 kgReference
Dipperstick force (extended stick)
1768 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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