Power System ● The installed WP12/QSNT-C235 electronically controlled engine conforms to the China-III non-road machinery emission regulation, featuring strong power, high efficiency and energy-saving, and low maintenance cost. ● The rated power reaches
PARAMETER
| Parameter name | SD22 (Standard version) | SD22C (Coal version) | SD22W (Rock version) | SD22F (Forestry version) | SD22D (Desert version) | SD22E (Extended version) | SD22R (Environmental sanitation version) | SD22S (Wetland version) |
| Performance parameters | ||||||||
| Operating weight (Kg) | 23450 | 24000 | 23600 | 24700 | 24600 | 24600 | 26000 | 25700 |
| Ground pressure (kPa) | 66 | 57.5 | 66 | 64 | 56 | 66 | 36 | 35.2 |
| Engine | ||||||||
| Engine model | WP12/QSNT-C235 | WP12/QSNT-C235 | QSNT-C235 | QSNT-C235 | QSNT-C235 | QSNT-C235 | WP12/QSNT-C235 | WP12/QSNT-C235 |
| Rated power/rated speed (kW/rpm) | 175/1800 | 175/1800 | 175/1800 | 175/1800 | 175/1800 | 175/1800 | 175/1800 | 175/1800 |
| Overall dimensions | ||||||||
| Overall dimensions of machine (mm) | 5495*3725*3402 | 5820*4200*3402 | 5495*3725*3402 | 5495*3725*3402 | 5495*3725*3402 | 5495*3725*3402 | 6290*4365*3745 | 6290*4365*3402 |
| Driving performance | ||||||||
| Forward speed (km/h) | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 | F1：0-3.6 F2:0-6.5 F3:0-11.2 |
| Reversing speed (km/h) | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 | R1:0-4.3 R2:0-7.7 R3:0-13.2 |
| Chassis System | ||||||||
| Center distance of track (mm) | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2250 | 2250 |
| Width of track shoes (mm) | 560/610/660 | 660 | 560/610/660 | 610/660 | 660 | 560/610/660 | 910 | 910 |
| Ground length（mm） | 2730 | 2730 | 2730 | 2730 | 3050 | 3050 | 3480 | 3480 |
| Tank capacity | ||||||||
| Fuel tank (L) | 450 | 450 | 450 | 450 | 450 | 450 | 450 | 450 |
| Working device | ||||||||
| Blade type | Straight tilting blade , Angle Blade, U-shaped Blade and Semi-U blade | Coal blade | Rock straight tilting blade, rock angle blade, rock U-blade, and rock semi-U blade | Straight tilting blade , Angle Blade, U-shaped Blade and Semi-U blade | Straight tilting blade , Angle Blade, U-shaped Blade and Semi-U blade | Straight tilting blade , Angle Blade, U-shaped Blade and Semi-U blade | Sanitation blade | Straight tilting blade |
| Digging depth (mm) | 540 | 538 | 540 | 540 | 540 | 540 | 550 | 550 |
| Ripper type | Single-shank three-shank | Single-shank three-shank | Single-shank three-shank | Single-shank three-shank | Single-shank three-shank | Single-shank three-shank | —— | —— |
| Ripping depth (mm) | 695 (Single-shank) and 666 (Three-shank) | 695 (Single-shank) and 666 (Three-shank) | 695 (Single-shank) and 666 (Three-shank) | 695 (Single-shank) and 666 (Three-shank) | 695 (Single-shank) and 666 (Three-shank) | 695 (Single-shank) and 666 (Three-shank) | —— | — |
