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| engine | JCB 81 | Escort Kubota U30-6S | |
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| Model | Kirloskar 4R 1040 NA | D1803-M-DI-E2-BH-TH1 | - |
| Engine Type | 4-stroke, 4-cylinder mechanical, naturally aspirated | - | - |
| Engine Gross Power | 76 HP (57 KW) @ 2200 rpm | 27.5 HP(20.5 KW) @ 2200 rpm | - |
| Displacement | 4.2 L | 1.82 L | - |
| undercarriage | |||
|---|---|---|---|
| No. Of Shoes | 39 | - | - |
| No. Of Upper Rollers | 1 | - | - |
| No. Of Bottom Rollers | 5 | - | - |
| Track Shoes Width | 450-600 mm | - | - |
| swing system | |||
|---|---|---|---|
| Max. Swing Speed | 9.6 rpm | 8.6 rpm | - |
| Min. Swing Radius | 1.84 m | 1845 mm | - |
| drive and brake | |||
|---|---|---|---|
| Max. Travel Speed | 5.1 km/h | 4.5 km/h | - |
| Gradeability | 35ยฐ(70%) | - | - |
| hydraulic system | |||
|---|---|---|---|
| Main Pump Type | 2 Variable displacement axial piston pump | 1 Variable Pump | - |
| Main Pump Max. Oil Flow | 70.3 lpm | - | - |
| Swing Circuit | 225 bar | - | - |
| Travel Circuit | 284 bar | - | - |
| refill capacity | |||
|---|---|---|---|
| Fuel Tank Capacity | 164 L | 41.5 L | - |
| Engine Oil And Filter | 14 L | - | - |
| Hydraulic System | 92 L | - | - |
| Hydraulic Tank Capacity | 55 L | - | - |
| weight and ground pressure | |||
|---|---|---|---|
| Operating Weight | 8050 kg | 3155-3270 kg | - |
| dimensions | |||
|---|---|---|---|
| Overall Length | 6.23 m | 4545 mm | - |
| Overall Height | 2.72 m | 2485 mm | - |
| Bucket Capacity | 0.24-0.32 mยณ | 0.1 mยณ | - |
| Track Gauge | 1.70 m | - | - |
| Ground Clearance | - | 290 mm | - |
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| working ranges | |||
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| Max. Dumping Height | 5.40 m | 2880 mm | - |
| Max. Digging Depth | 4.08 m | 2820 mm | - |
| Max. Vertical Wall Digging Depth | 3.68 m | 2290 mm | - |
| Max. Digging Reach | 6.45 m | - | - |
| Max. Digging Reach At Ground Level | 6.32 m | - | - |
| Boom Length | 3.7 m | - | - |
| Arm Length | 1.74 m | - | - |
| Bucket Digging Force | 5760 kgf | - | - |
| Arm Crowding Force | 4130 kgf | - | - |
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| JCB 81 | Escort Kubota U30-6S |
|---|
| engine | |
|---|---|
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Model
Kirloskar 4R 1040 NA
D1803-M-DI-E2-BH-TH1
|
|
|
Engine Type
4-stroke, 4-cylinder mechanical, naturally aspirated
-
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|
|
Engine Gross Power
76 HP (57 KW) @ 2200 rpm
27.5 HP(20.5 KW) @ 2200 rpm
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|
Displacement
4.2 L
1.82 L
|
|
| undercarriage | |
|
No. Of Shoes
39
-
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|
|
No. Of Upper Rollers
1
-
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|
No. Of Bottom Rollers
5
-
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|
Track Shoes Width
450-600 mm
-
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|
| swing system | |
|
Max. Swing Speed
9.6 rpm
8.6 rpm
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Min. Swing Radius
1.84 m
1845 mm
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| drive and brake | |
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Max. Travel Speed
5.1 km/h
4.5 km/h
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|
Gradeability
35ยฐ(70%)
-
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|
| hydraulic system | |
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Main Pump Type
2 Variable displacement axial piston pump
1 Variable Pump
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Main Pump Max. Oil Flow
70.3 lpm
-
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Swing Circuit
225 bar
-
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Travel Circuit
284 bar
-
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| refill capacity | |
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Fuel Tank Capacity
164 L
41.5 L
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Engine Oil And Filter
14 L
-
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Hydraulic System
92 L
-
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Hydraulic Tank Capacity
55 L
-
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| weight and ground pressure | |
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Operating Weight
8050 kg
3155-3270 kg
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| dimensions | |
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Overall Length
6.23 m
4545 mm
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Overall Height
2.72 m
2485 mm
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Bucket Capacity
0.24-0.32 mยณ
0.1 mยณ
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Track Gauge
1.70 m
-
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Ground Clearance
-
290 mm
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| working ranges | |
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Max. Dumping Height
5.40 m
2880 mm
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Max. Digging Depth
4.08 m
2820 mm
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Max. Vertical Wall Digging Depth
3.68 m
2290 mm
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Max. Digging Reach
6.45 m
-
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Max. Digging Reach At Ground Level
6.32 m
-
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Boom Length
3.7 m
-
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Arm Length
1.74 m
-
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Bucket Digging Force
5760 kgf
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Arm Crowding Force
4130 kgf
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