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The comparisons provided are based on the technical specifications published by the respective OEMs on their official websites and brochures. Please confirm these details directly with the OEMs before macking any final decision.
| Key Highlights | CAT 321 | CAT 320D3 |
|---|
Price Available Soon
₹ 55-60 Lakhs
| Particulars | CAT 321 | CAT 320D3 |
|---|
| Brand | Caterpillar Excavator | Caterpillar Excavator |
|---|---|---|
| Type | Medium (15-25 Ton) | Medium (15-25 Ton) |
| Operating Cost | Price Available Soon | ₹ 55-60 Lakhs |
| Price | Price Available Soon | ₹ 55-60 Lakhs |
| Weight | 19300 kg | 19800 Kg |
| Bucket | 1.0 m³ | 0.92 m³ |
| Max Digging Depth | 5970 mm | 5970 mm |
| Engine | Cat 134 HP | Ashoke Leyland 134 HP |
| Warranty | 1 Year | 1 Year |
| Boom | 5700 mm | 5750 mm |
| Quick Overview: | The Cat 321 is a versatile 20-ton excavator designed for effective performance on Indian construction and infrastructure projects. It also features a 134 hp Cat C3.6 engine, providing strong digging force, smooth hydraulic response, and reliable fuel efficiency for tough job sites. Its reinforced structures and tested components guarantee durability, long service life, and high uptime in earthmoving, trenching, and material handling. With an emphasis on operator comfort, straightforward controls, and easy access for servicing, the Cat 321 supports precise operation, minimizes fatigue, and enhances long-term productivity for contractors and fleet owners. |
The CAT 320D3 is a 20-ton excavator has advanced technology with superior performance in heavy construction, durability, and fuel efficiency. |
| Agency review | Get the best CAT 321 excavator price in India from authorized dealers. Contact us now for exclusive deals! |
Get the best price for the CAT 320 Excavator from authorized dealers. Contact us now for exclusive deals! |
| CAT 321 | CAT 320D3 |
|---|---|
| Brand | |
| Caterpillar Excavator | Caterpillar Excavator |
| Type | |
| Medium (15-25 Ton) | Medium (15-25 Ton) |
| Price | |
| Price Available Soon | ₹ 55-60 Lakhs |
| Weight | |
| 19300 kg | 19800 Kg |
| Bucket | |
| 1.0 m³ | 0.92 m³ |
| Max Digging Depth | |
| 5970 mm | 5970 mm |
| Engine | |
| Cat 134 HP | Ashoke Leyland 134 HP |
| Warranty | |
| 1 Year | 1 Year |
| Boom | |
| 5700 mm | 5750 mm |
| Quick Overview: | |
The Cat 321 is a versatile 20-ton excavator designed for effective performance on Indian construction and infrastructure projects. It also features a 134 hp Cat C3.6 engine, providing strong digging force, smooth hydraulic response, and reliable fuel efficiency for tough job sites. Its reinforced structures and tested components guarantee durability, long service life, and high uptime in earthmoving, trenching, and material handling. With an emphasis on operator comfort, straightforward controls, and easy access for servicing, the Cat 321 supports precise operation, minimizes fatigue, and enhances long-term productivity for contractors and fleet owners. |
The CAT 320D3 is a 20-ton excavator has advanced technology with superior performance in heavy construction, durability, and fuel efficiency. |
| CAT 321 | CAT 320D3 | |
| Engine Make | Cat C3.6 | Ashoke Leyland ALUW06DTI |
| Fuel Tank | 370 L | 350 L |
| Engine Displacment | 3.6 L | 5.76 L |
| Under Carriage | 4100 mm | 4080 mm |
| Hydraulic System | 218 L | 230 L |
| Arm | 2250 mm | 2250 mm |
| Max Digging Reach | 9150 mm | NA |
| Fuel Consumption | 14-28 L/hour | NA |
| Overall Width | 2800 mm | 2800 mm |
| Overall Length | 9570 mm | 9520 mm |
| Bucket Digging Force | 135 kN | 134 kN |
| Tailswing Radius | 2830 mm | 2750 mm |
| Track Shoe Width | 600 mm | 600 mm |
| AC Cabin | Standard | Standard |
| GPS | Standard | Standard |
| CAT 321 | CAT 320D3 |
|---|---|
| Engine Make | |
| Cat C3.6 | Ashoke Leyland ALUW06DTI |
| Fuel Tank | |
| 370 L | 350 L |
| Engine Displacment | |
| 3.6 L | 5.76 L |
| Under Carriage | |
| 4100 mm | 4080 mm |
| Hydraulic System | |
| 218 L | 230 L |
| Arm | |
| 2250 mm | 2250 mm |
| Max Digging Reach | |
| 9150 mm | NA |
| Fuel Consumption | |
| 14-28 L/hour | NA |
| Overall Width | |
| 2800 mm | 2800 mm |
| Overall Length | |
| 9570 mm | 9520 mm |
| Bucket Digging Force | |
| 135 kN | 134 kN |
| Tailswing Radius | |
| 2830 mm | 2750 mm |
| Track Shoe Width | |
| 600 mm | 600 mm |
| AC Cabin | |
| Standard | Standard |
| GPS | |
| Standard | Standard |
| 18182 | 3519 | |
| Model | Cat 134 HP | Ashoke Leyland 134 HP |
| Fuel | Diesel | Diesel |
| Type | NA | NA |
| Rated Engine Power | 134 HP (100 kW) @ 2000 rpm | 134 HP (100 kW) @ 1700 rpm |
| Maximum Torque | 1969 Nm @ 1400 rpm | NA |
| Piston Displacement | 3.6 L | 5.76 L |
| Alternator | NA | 24V |
| Battery | NA | NA |
| Starting Motor | NA | NA |
| NA | NA | |
| No of Top rollers | NA | NA |
| No of bottom rollers | NA | NA |
| Track Shoes (Each Side) | NA | NA |
| Track Guard | NA | NA |
| Track Shoe width | 600 mm | 600 mm |
| Ground bearing pressure | NA | NA |
| Track Tensioning | Grease | Grease |
| Gradeability | 35° | NA |
| Travel Speed-Low | NA | NA |
| Travel Speed-High | NA | NA |
| Max Tracking Force | NA | NA |
| CAT 321 | CAT 320D3 | |
| Hydraulic pump | NA | NA |
| Maximum Flow | 315 L/min | 400 L/min |
| Pilot Pump | NA | Gear Pump |
| Implement Circuit | 35 MPa | 35.0 MPa |
| Swing Circuit | 25 MPa | 25.0 MPa |
| Travel circuit | 35 MPa | 35.0 MPa |
| Pilot circuit | NA | NA |
| CAT 321 | CAT 320D3 | |
| Travel | NA | NA |
| Swing | NA | NA |
| CAT 321 | CAT 320D3 | |
| Fuel tank | 370 L | 350 L |
| Engine Coolant | 22 L | 19 L |
| Engine oil | 11 L | 18 L |
| Hydraulic system | 218 L | 230 L |
| Hydraulic tank | 115 L | 110 L |
| CAT 321 | CAT 320D3 | |
| Operating Weight | 19300 kg | 19800 Kg |
| CAT 321 | CAT 320D3 | |
| Boom length | 5700 mm | 5750 mm |
| Arm length | 2250 mm | 2250 mm |
| Max Digging Reach | 9150 mm | NA |
| Max Digging Reach on ground | 9150 mm | 9140 mm |
| Max digging depth | 5970 mm | 5970 mm |
| Max digging height | 9120 mm | 9110 mm |
| Max Dump Height | 6250 mm | 6250 mm |
| Max vertical wallcut depth | 5360 mm | 5350 mm |
| Min swing radius | NA | NA |
| Max Height at Min Swing radius | NA | NA |
| Max height (above ground) | NA | NA |
| Dig depth (below ground) | NA | NA |
| Bucket Digging Force | 135 kN | 134 kN |
| Arm Digging Force | 119 kN | 112 kN |
| Swing Speed | 10 rpm | 10 rpm |
| CAT 321 | CAT 320D3 | |
| Dozer Type | NA | NA |
| Dozer Length | NA | NA |
| Digging depth for ground level | NA | NA |
| Approach Angle | NA | NA |
| Width | NA | NA |
| Height | NA | NA |
| CAT 321 | CAT 320D3 | |
| Bucket Capacity | 1.0 m³ | 0.92 m³ |
| CAT 321 | CAT 320D3 | |
| Overall Length | 9570 mm | 9520 mm |
| Overall width | 2800 mm | 2800 mm |
| Overall Height | 3250 mm | 3100 mm |
| Overall Height of Cab | 3250 mm | 2915 mm |
| Upper Width | NA | NA |
| Track Lengh on Ground | 3270 mm | 3270 mm |
| Undercarriage overall length | 4100 mm | 4080 mm |
| Tailswing radius | 2830 mm | 2750 mm |
| Min Ground clearance | 430 mm | 450 mm |
| Track gauge | 2200 mm | 2200 mm |
| Width over tracks | NA | NA |
| Track Height | NA | NA |
| Counterweight Clearance | 1020 mm | 1020 mm |
| Track Shoe Width | 600 mm | 600 mm |
| CAT 321 | CAT 320D3 |
|---|---|
| Model | |
| Cat 134 HP | Ashoke Leyland 134 HP |
| Fuel | |
| Diesel | Diesel |
| Type | |
| NA | NA |
| Rated Engine Power | |
| 134 HP (100 kW) @ 2000 rpm | 134 HP (100 kW) @ 1700 rpm |
| Maximum Torque | |
| 1969 Nm @ 1400 rpm | NA |
| Piston Displacement | |
| 3.6 L | 5.76 L |
| Alternator | |
| NA | 24V |
| Battery | |
| NA | NA |
| Starting Motor | |
| NA | NA |
| CAT 321 | CAT 320D3 |
|---|---|
| No of Top rollers | |
| NA | NA |
| No of bottom rollers | |
| NA | NA |
| Track Shoes (Each Side) | |
| NA | NA |
| Track Guard | |
| NA | NA |
| Track Shoe width | |
| 600 mm | 600 mm |
| Ground bearing pressure | |
| NA | NA |
| Track Tensioning | |
| Grease | Grease |
| Gradeability | |
| 35° | NA |
| Travel Speed-Low | |
| NA | NA |
| Travel Speed-High | |
| NA | NA |
| Max Tracking Force | |
| NA | NA |
| CAT 321 | CAT 320D3 |
|---|---|
| Hydraulic pump | |
| NA | NA |
| Maximum Flow | |
| 315 L/min | 400 L/min |
| Pilot Pump | |
| NA | Gear Pump |
| Implement Circuit | |
| 35 MPa | 35.0 MPa |
| Swing Circuit | |
| 25 MPa | 25.0 MPa |
| Travel circuit | |
| 35 MPa | 35.0 MPa |
| Pilot circuit | |
| NA | NA |
| CAT 321 | CAT 320D3 |
|---|---|
| Fuel tank | |
| 370 L | 350 L |
| Engine Coolant | |
| 22 L | 19 L |
| Engine oil | |
| 11 L | 18 L |
| Hydraulic system | |
| 218 L | 230 L |
| Hydraulic tank | |
| 115 L | 110 L |
| CAT 321 | CAT 320D3 |
|---|---|
| Operating Weight | |
| 19300 kg | 19800 Kg |
| CAT 321 | CAT 320D3 |
|---|---|
| Boom length | |
| 5700 mm | 5750 mm |
| Arm length | |
| 2250 mm | 2250 mm |
| Max Digging Reach | |
| 9150 mm | NA |
| Max Digging Reach on ground | |
| 9150 mm | 9140 mm |
| Max digging depth | |
| 5970 mm | 5970 mm |
| Max digging height | |
| 9120 mm | 9110 mm |
| Max Dump Height | |
| 6250 mm | 6250 mm |
| Max vertical wallcut depth | |
| 5360 mm | 5350 mm |
| Min swing radius | |
| NA | NA |
| Max Height at Min Swing radius | |
| NA | NA |
| Max height (above ground) | |
| NA | NA |
| Dig depth (below ground) | |
| NA | NA |
| Bucket Digging Force | |
| 135 kN | 134 kN |
| Arm Digging Force | |
| 119 kN | 112 kN |
| Swing Speed | |
| 10 rpm | 10 rpm |
| CAT 321 | CAT 320D3 |
|---|---|
| Dozer Type | |
| NA | NA |
| Dozer Length | |
| NA | NA |
| Digging depth for ground level | |
| NA | NA |
| Approach Angle | |
| NA | NA |
| Width | |
| NA | NA |
| Height | |
| NA | NA |
| CAT 321 | CAT 320D3 |
|---|---|
| Bucket Capacity | |
| 1.0 m³ | 0.92 m³ |
| CAT 321 | CAT 320D3 |
|---|---|
| Overall Length | |
| 9570 mm | 9520 mm |
| Overall width | |
| 2800 mm | 2800 mm |
| Overall Height | |
| 3250 mm | 3100 mm |
| Overall Height of Cab | |
| 3250 mm | 2915 mm |
| Upper Width | |
| NA | NA |
| Track Lengh on Ground | |
| 3270 mm | 3270 mm |
| Undercarriage overall length | |
| 4100 mm | 4080 mm |
| Tailswing radius | |
| 2830 mm | 2750 mm |
| Min Ground clearance | |
| 430 mm | 450 mm |
| Track gauge | |
| 2200 mm | 2200 mm |
| Width over tracks | |
| NA | NA |
| Track Height | |
| NA | NA |
| Counterweight Clearence | |
| 1020 mm | 1020 mm |
| Track Shoe Width | |
| 600 mm | 600 mm |
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