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John Deere 315SJ vs Komatsu WB146-5
Verdict: John Deere 315SJ vs Komatsu WB146-5
The John Deere 315SJ and the Komatsu WB146-5 are both backhoe loaders — here is how they stack up on the figures that matter. Both are rated at the same 92 hp. Komatsu WB146-5 is the lighter machine (7,298 kg vs 15,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 315SJ is the newer design (2007 vs 2006). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
John Deere
94
Fit score
Best match
Clear
Komatsu
85
Fit score
Clear
Rated power
92 hp
92 hp
Confidence
98%
40%
Guide price
—
—
Overview
Manufacturer
John DeereReference
KomatsuReference
liquid-cooledReference
liquid-cooledReference
Drive
4x4 MFWD 4WD (optional)Reference
—
Steering
hydrostatic powerReference
hydrostatic powerReference
Engine
Engine
68.6 kWReference
65.6 kWReference
Displacement
4.5 LReference
4.5 LReference
Power
68.6 kWReference
65.6 kWReference
Air cleaner
dual stage dryReference
dryReference
Rated RPM
2000Reference
2200Reference
Torque
382.4 NmReference
406.8 NmReference
Torque RPM
1400Reference
1500Reference
Starter volts
12Reference
12Reference
Oil capacity
16.0 LReference
28.0 LReference
Coolant capacity
20.8 LReference
14.0 LReference
Engine (gross)
—
68.6 kWReference
Power (gross)
—
68.6 kWReference
Compression
—
18:1Reference
Starter
—
electricReference
Starter power
—
3.2 kWReference
Transmission
Transmission
PowerShiftReference
—
Gears
4 forward and 3 reverseReference
4 forward and 3 reverseReference
Capacities
Fuel
155.2 LReference
149.9 LReference
Front axle
6.6 LReference
—
Rear axle
18.0 LReference
—
PTO & Hydraulics
Hydraulic system
90.8 LReference
96.9 LReference
Type
full powershiftReference
full powershift with power shuttleReference
Capacity
90.8 LReference
96.9 LReference
Pressure
249.9 barReference
245.0 barReference
Total flow
106.0 lpmReference
165.0 lpmReference
Dimensions
Wheelbase
213 cmReference
218 cmReference
Weight
15400 to 18350 poundsReference
7298 kgReference
Front tire
11L-16Reference
—
Rear tire
16.9-28Reference
—
Industrial front
12.5/80-18 (4WD)Reference
—
Industrial rear
500/70R24Reference
—
Length
525 cmReference
744 cmReference
Height (ROPS)
279 cmReference
—
Height (cab)
279 cmReference
294 cmReference
Operating weight
8323 kgReference
7298 kgReference
Ground clearance
35 cmReference
43 cmReference
Width
—
236 cmReference
Height
—
375 cmReference
Max weight
—
17641 kgReference
Backhoe & Loader
Dig depth
174 to 216 inchesReference
174 to 218 inchesReference
Dump angle
114 cmReference
114 cmReference
Electrical
Charging system
alternatorReference
alternatorReference
Charging amps
90Reference
95Reference
Batteries
2 (optional)Reference
—
Battery CCA
950Reference
860Reference
Battery volts
12Reference
12Reference
Battery AH
—
100Reference
Attachment overview
John Deere Backhoe
Backhoe type
John Deere BackhoeReference
Komatsu BackhoeReference
Digging depth (retracted stick)
441 cmReference
—
Digging depth (extended stick)
548 cmReference
553 cmReference
2-Foot flat digging depth (retracted stick)
439 cmReference
—
2-Foot flat digging depth (extended stick)
543 cmReference
548 cmReference
8-Foot flat digging depth (retracted stick)
408 cmReference
—
8-Foot flat digging depth (extended stick)
523 cmReference
—
Reach from pivot (retracted stick)
561 cmReference
—
Reach from pivot (extended stick)
662 cmReference
675 cmReference
Loading height (retracted stick)
358 cmReference
365 cmReference
Loading height (extended stick)
434 cmReference
436 cmReference
Bucket force
5438 kgReference
6125 kgReference
Dipperstick force
3669 kgReference
4005 kgReference
Variants
WB146PS-5
—
powershift transmissionReference
Komatsu Backhoe
Digging depth
—
441 cmReference
2-Foot flat digging depth
—
436 cmReference
Reach from pivot
—
574 cmReference
Loading height
—
368 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.