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J.I. Case 680L Construction King vs J.I. Case 780B Construction King
Verdict: J.I. Case 680L Construction King vs J.I. Case 780B Construction King
The J.I. Case 680L Construction King and the J.I. Case 780B Construction King are both backhoe loaders — here is how they stack up on the figures that matter. J.I. Case 780B Construction King leads on rated power with 120 hp against 101 hp. J.I. Case 680L Construction King is the lighter machine (18,218 kg vs 21,083 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. J.I. Case 680L Construction King is the newer design (1989 vs 1981). In short: choose the J.I. Case 780B Construction King for outright pulling power, or the J.I. Case 680L 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
85
Fit score
Best match
Clear
J.I. Case
85
Fit score
Best match
Clear
Rated power
101 hp
120 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
J.I. CaseReference
J.I. CaseReference
With 19.5x24 rear tires.Reference
With 18.4x24 rear tires.Reference
Final drives
outboard planetaryReference
outboard planetaryReference
Steering
hydrostatic powerReference
—
Engine
Engine (gross)
75.3 kWReference
89.5 kWReference
Engine (net)
67.1 kWReference
82.8 kWReference
Displacement
5.9 LReference
5.5 LReference
Bore/Stroke
102 x 120 mmReference
117 x 127 mmReference
Power (net)
67.1 kWReference
82.8 kWReference
Power (gross)
75.3 kWReference
89.5 kWReference
Fuel system
direct injectionReference
direct injevtionReference
Air cleaner
dryReference
dryReference
Compression
17.5L1Reference
15.8:1Reference
Rated RPM
2200Reference
2200Reference
Torque
370.2 NmReference
451.5 NmReference
Torque RPM
1200Reference
1500Reference
Starter
electricReference
electricReference
Starter volts
12Reference
24Reference
Oil capacity
15.1 LReference
11.4 LReference
Coolant capacity
25.6 LReference
34.1 LReference
Transmission
Gears
3 forward and reverseReference
3 forward and reverseReference
Capacities
Fuel
162.8 LReference
124.9 LReference
PTO & Hydraulics
Hydraulic system
53.7 LReference
71.5 LReference
Type
power shiftReference
power shiftReference
Capacity
53.7 LReference
71.5 LReference
Pump flow
70.8 lpmReference
98.4 lpmReference
Total flow
168.1 lpmReference
210.1 lpmReference
Steering flow
70.8 lpmReference
—
Steering press.
137.9 barReference
—
Dimensions
Wheelbase
220 cmReference
220 cmReference
Weight
18218 to 20398 poundsReference
10391 kgReference
Front tire
11x16Reference
14x17.5Reference
Rear tire
19.5x24Reference
18.4x24Reference
Industrial front
15x19.5Reference
14x17.5Reference
Industrial rear
21Lx28Reference
18.4x24Reference
Length
723 cmReference
762 cmReference
Width
243 cmReference
251 cmReference
Ground clearance
35 cmReference
—
Front tread
199 cmReference
198 cmReference
Rear tread
181 cmReference
180 cmReference
Shipping
9252 kgReference
—
Steering wheel
212 cmReference
215 cmReference
Backhoe & Loader
Dig depth
502 cmReference
—
Dump angle
114 cmReference
124 cmReference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
65Reference
40Reference
Batteries
2Reference
2Reference
Battery CCA
680Reference
600Reference
Battery volts
12Reference
12Reference
Attachment overview
J.I. Case Backhoe
Backhoe type
J.I. Case BackhoeReference
J.I. Case Extendahoe BackhoeReference
Digging depth
502 cmReference
—
2-Foot flat digging depth
500 cmReference
556 cmReference
Reach from pivot
603 cmReference
668 cmReference
Loading height
341 cmReference
345 cmReference
Bucket Rotation
151°Reference
151°Reference
Swing Arc
188°Reference
180°Reference
Bucket force
5120 kgReference
6187 kgReference
Dipperstick force
3920 kgReference
4975 kgReference
Digging depth (retracted stick)
505 cmReference
556 cmReference
Digging depth (extended stick)
627 cmReference
670 cmReference
2-Foot flat digging depth (retracted stick)
502 cmReference
—
2-Foot flat digging depth (extended stick)
624 cmReference
—
Reach from pivot (retracted stick)
609 cmReference
665 cmReference
Reach from pivot (extended stick)
731 cmReference
777 cmReference
Loading height (retracted stick)
354 cmReference
378 cmReference
Loading height (extended stick)
424 cmReference
441 cmReference
Bucket force (retracted stick)
5357 kgReference
6233 kgReference
Bucket force (extended stick)
5357 kgReference
6233 kgReference
Dipperstick force (retracted stick)
3871 kgReference
5032 kgReference
Dipperstick force (extended stick)
2733 kgReference
3691 kgReference
Transport height
—
398 cmReference
J.I. Case 680L Height
Cab
292 cmReference
292 cmReference
Exhaust
308 cmReference
322 cmReference
Speeds
J.I. Case Extendahoe Backhoe
J.I. Case 780B Height
Backhoe
—
401 cmReference
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.