Crystal 121 vs John Deere 7810 - compare
Compare tractors: Crystal 121 vs John Deere 7810
Crystal 121 vs John Deere 7810 compare - general information
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Brand | Crystal Traktor | John Deere |
| Model | Crystal 121 | John Deere 7810 |
| Series | n.d. | n.d. |
| Previous model | – | John Deere 7800 |
| Next model | – | John Deere 7820 |
| Smaller | – | John Deere 7710 |
| Larger | – | – |
| Years | n.d. | from 1997 to 2003 y. |
| Cab with ROPS | No | No |
| Reviews | Crystal 121 reviews New! | John Deere 7810 reviews New! |
Crystal 121 vs John Deere 7810 - performance
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Maximum power (HP / kW) | 119.68 KM (88 kW) | 175.44 KM (129 kW) |
| Engine RPM | n.d. | 2100 rpm |
| Fuel consumption | 240 g/kWh ( rpm) | 236 g/kWh ( rpm) |
| Fuel tank capacity | 260 l. | 344 l. |
| Max. speed | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - engine
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Fuel type | Diesel | |
| Engine producer | n.d. | n.d. |
| Engine model | n.d. | John Deere PowerTech |
| Engine type | Diesel (diesel engine) | |
| Engine capacity | n.d. | 8.134 l. |
| Strokes, qty | n.d. | n.d. |
| Cylinders | n.d. | 6 |
| Compression | n.d. | n.d. |
| Bore | n.d. | 116 mm |
| Stroke | n.d. | 129 mm |
| Maximum torque | 412 Nm / rpm | n.d. |
| Air filter | n.d. | dry air filter, two-stage, sensor contamination |
| Fuel filter | n.d. | n.d. |
| Fuel filter chambers, qty | n.d. | n.d. |
| Oil filter | n.d. | n.d. |
| Oil pump | n.d. | n.d. |
| Speed control (control) | n.d. | n.d. |
| Injection pump | n.d. | piston pump, direct fuel injection |
| Injectors | n.d. | multi holes injector |
| Injection pressure | n.d. | n.d. |
| Cooling system | n.d. | liquid cooled engine |
| Forced cooling | n.d. | Yes, cooling water pump |
| Cooler | Yes, with fan | |
| Thermostat | Yes | |
| Cooler type | tubular-plate cooler | |
| Coolant system capacity | n.d. | n.d. |
| Clutch | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - turbocharger
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Turbocharger | No | Yes (Turbo Diesel engine) |
| Dual turbocharger | Not applicable | No |
| Intercooler | Not applicable | No |
| Aftercooler | Not applicable | Yes |
| Wastegate valve | Not applicable | No |
| Variable geometry | Not applicable | No |
| Additional parameters | – | – |
Crystal 121 vs John Deere 7810 - electronics
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Supply voltage starter (V) | n.d. | 12 V |
| Ground | n.d. | negative ground |
| Battery (V) | n.d. | 12 V |
| Battery, qty | n.d. | 1 |
| Charging system | Generator | Alternator |
| Charging system producer | n.d. | n.d. |
| Ignition | Manual | Manual |
| Rear stop lamp | Yes | Yes |
| Rear agricultural lamp | n.d. | n.d. |
| Cock lamp | No | No |
Crystal 121 vs John Deere 7810 - PTO
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| PTO min | 540 rpm | |
| PTO max | 1000 rpm | |
| PTO rpm | 540 rpm | |
| PTO control | manual | manual |
Crystal 121 vs John Deere 7810 - brakes
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| ABS | No | No |
| Brake assist | No | No |
| Braking system | n.d. | n.d. |
| Differential | No | No |
| Brake type | n.d. | disc brakes, wet brakes, hydraulic |
| Discs | – | Single |
Crystal 121 vs John Deere 7810 - dimensions
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Weight | n.d. | from 6620 kg to 7135 kg (depending by model) |
| Weight with ROPS | n.d. | n.d. |
| Weight with cab | n.d. | 6620 kg |
| Length | n.d. | 4755 mm |
| Height | n.d. | 3058 mm |
| Width | n.d. | 2438 mm |
| Clearance | n.d. | n.d. |
| Rear clearance | n.d. | n.d. |
| Front track width | n.d. | n.d. |
| Rear track width | n.d. | from 1703 mm to 2369 mm |
| Wheelbase | n.d. | 2540 mm |
| Front tires | 14.9-24 | n.d. |
| Rear tires | 18.4 R38 | n.d. |
| Max. mass of the trailer without brakes | 1500 kg | 1500 kg |
| Max. mass of the trailer with brakes | n.d. | n.d. |
| Max. axle load | 20 (Fc - klasa uciągu) kN | 30 (Fc - klasa uciągu) kN |
| Max. total weight | n.d. | n.d. |
| Turning radius | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - drive
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Drive system | 2WD, 4WD (depending by model) | 4x2, 2WD, 4WD (depending by model) |
| Additional | one wheel drive, all-wheel drive | one wheel drive, all-wheel drive |
| Permanent 4-wheel drive | n.d. | n.d. |
| Permanent systems that constantly power all the wheels | n/a | n/a |
| Dynamic allocation of power between the axles | n.d., AWD drive | n.d., AWD drive |
| Independent Link Suspension | None | None |
| Articulated suspension | – | – |
| Crawler drive | No | No |
| Hydrostatic steering | No | Yes |
| Differential | n.d. | n.d. |
| Steering | rod | rod |
| Front rods | n.d. | n.d. |
| Rear planetary drives | n.d. | n.d. |
| Front planetary drives | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - hydraulics
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Three-point hitch | 5500 kg | n.d. |
| Three-point hitch type | n.d. | n.d. |
| Three-point hitch performance | n.d. | n.d. |
| Three-point hitch pressure | n.d. | n.d. |
| Load Sensing | No | No |
| Closed | n.d. | n.d. |
| Central | No | No |
| Constant flow | No | No |
| Constant pressure | No | No |
| Control system | n.d. | n.d. |
| Pump | n.d. | n.d. |
| Two-section distributor | n.d. | n.d. |
| Quick couplings | n.d. | n.d. |
| Auto Lift | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - transmission
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Synchronous transmission | n.d. | n.d. |
| Transmission mechanically synchronized | n/a | No, electro-hydraulic control |
| PowerShift | No | Yes |
| PowerShuttle | No | No |
| Additional | – | two clutches (dual clutch gearbox), electro-hydraulic clutch control, fast shifting |
| Hydrostatic transmission | n.d. | n.d. |
| Forward gears | 16 | 19 |
| Reverse gears | 8 | 7 |
| Creeper | n.d. | n.d. |
Crystal 121 vs John Deere 7810 - equipment
| Specs | Crystal 121 | John Deere 7810 |
|---|---|---|
| Clevis | Yes (???) | Yes (???) |
| Lower catch | n.d. | n.d. |
| Air conditioning | n.d. | n.d. |