Why specify a Deutz engine
Deutz air-cooled and liquid-cooled engines are renowned for rugged simplicity. The TCD series delivers Stage V compliance with SCR-only aftertreatment, and the air-cooled variants remain popular in dusty and extremely hot environments.
- Air-cooled options for extreme climates
- SCR-only Stage V architecture
- Simple, mechanic-friendly maintenance

Deutz powered generator sets
Every rating we list for this engine platform, with the engine model for each.
| Model | Standby Power (kVA) | Standby Power (kW) | Prime Power (kVA) | Prime Power (kW) | Engine Model | Data Sheet |
|---|---|---|---|---|---|---|
| CM-DZ22 | 22 | 18 | 20 | 16 | BFM3 G3 | [EN] |
| CM-DZ27 | 27 | 21 | 25 | 20 | BFM3 G4 | [EN] |
| CM-DZ33 | 33 | 26 | 30 | 24 | BFM3T G1 | [EN] |
| CM-DZ44 | 44 | 35 | 40 | 32 | BFM3T G2 | [EN] |
| CM-DZ55 | 55 | 44 | 50 | 40 | BFM3C G1 | [EN] |
| CM-DZ66 | 66 | 53 | 60 | 48 | BF4M2012 | [EN] |
| CM-DZ88 | 88 | 70 | 80 | 64 | BF4M2012C G1 | [EN] |
| CM-DZ100 | 100 | 80 | 90 | 72 | BF4M2012C G2 | [EN] |
| CM-DZ110 | 110 | 88 | 100 | 80 | BF4M1013EC G1 | [EN] |
| CM-DZ125 | 125 | 100 | 113 | 90 | BF4M1013EC G2 | [EN] |
| CM-DZ150 | 150 | 120 | 138 | 110 | BF4M1013FC | [EN] |
| CM-DZ165 | 165 | 132 | 150 | 120 | BF6M1013EC G1 | [EN] |
| CM-DZ200 | 200 | 160 | 180 | 144 | BF6M1013EC G2 | [EN] |
| CM-DZ220 | 220 | 176 | 200 | 160 | BF6M1013FC G3 | [EN] |
| CM-DZ275 | 275 | 220 | 250 | 200 | TCD8.0 | [EN] |
| CM-DZ330 | 330 | 264 | 300 | 240 | TCD8.7 | [EN] |
| CM-DZ350 | 350 | 280 | 318 | 255 | TCD12.1 G1 | [EN] |
| CM-DZ400 | 400 | 320 | 375 | 300 | TCD12.1 G2 | [EN] |
| CM-DZ500 | 500 | 400 | 450 | 360 | TCD13.0 G1 | [EN] |
| CM-DZ550 | 550 | 440 | 500 | 400 | TCD13.0 G2 | [EN] |
| Model | Standby Power (kVA) | Standby Power (kW) | Prime Power (kVA) | Prime Power (kW) | Engine Model | Data Sheet |
|---|---|---|---|---|---|---|
| CM-DZ28 | 28 | 22.4 | 25 | 20 | BFM3 G3 | [EN] |
| CM-DZ32 | 32 | 25 | 30 | 24 | BFM3 G4 | [EN] |
| CM-DZ38 | 38 | 30.4 | 35 | 28 | BFM3T G1 | [EN] |
| CM-DZ53 | 53 | 42.4 | 48 | 38.4 | BFM3T G2 | [EN] |
| CM-DZ65 | 65 | 52 | 60 | 48 | BFM3C G1 | [EN] |
| CM-DZ75 | 75 | 60 | 70 | 56 | BF4M2012 | [EN] |
| CM-DZ90 | 90 | 72 | 82 | 65.6 | BF4M2012C G1 | [EN] |
| CM-DZ110 | 110 | 88 | 100 | 80 | BF4M2012C G2 | [EN] |
| CM-DZ120 | 120 | 96 | 112 | 89.6 | BF4M1013EC G1 | [EN] |
| CM-DZ140 | 140 | 112 | 125 | 100 | BF4M1013EC G2 | [EN] |
| CM-DZ150 | 150 | 120 | 138 | 110.4 | BF4M1013FC | [EN] |
| CM-DZ180 | 180 | 144 | 168 | 134.4 | BF6M1013EC G1 | [EN] |
| CM-DZ215 | 215 | 172 | 200 | 160 | BF6M1013EC G2 | [EN] |
| CM-DZ245 | 245 | 196 | 220 | 176 | BF6M1013FC G3 | [EN] |
| CM-DZ285 | 285 | 228 | 265 | 212 | TCD8.0 | [EN] |
| CM-DZ350 | 350 | 280 | 320 | 256 | TCD8.7 | [EN] |
| CM-DZ413 | 413 | 330.4 | 375 | 300 | TCD12.1 G1 | [EN] |
| CM-DZ438 | 438 | 350.4 | 400 | 320 | TCD12.1 G2 | [EN] |
| CM-DZ500 | 500 | 400 | 468 | 374.4 | TCD13.0 G1 | [EN] |
| CM-DZ550 | 550 | 440 | 500 | 400 | TCD13.0 G2 | [EN] |
Both 50 Hz and 60 Hz builds are listed. Model codes carry the standby rating and, where two builds share a rating, a trailing letter.
Deutz air-cooled ratings are declared at 25 °C with a stated altitude limit, often 1,000 m. Above that the cooling air mass flow falls away quickly, so the derate curve is steeper than the 1 % per 100 m you would apply to a radiator-cooled engine.
Air-cooled, and built around that
No radiator means a different enclosure — the cooling air path becomes the design constraint.
Air-cooled Deutz engines need a straight, unobstructed air path through the enclosure, so we build the canopy with louvres on both ends and never with a walk-in door on the fan side. Those sets are usually supplied for construction, quarry and agricultural duty where the unit runs unattended. The liquid-cooled TCD range follows a conventional canopy layout and is the better choice for acoustic-sensitive sites.

| Typical power range | 10 – 4,000 kVA |
|---|---|
| Enclosure | Galvanised acoustic canopy |
| Ingress protection | IP54 |
| Best suited to | BF4L / BF6L air-cooled sets for construction and quarry work |

| Typical power range | 10 – 4,000 kVA |
|---|---|
| Enclosure | None — open skid |
| Ingress protection | IP21 (control panel IP54 optional) |
| Best suited to | TCD liquid-cooled units for plant rooms |

| Typical power range | Up to 4,000 kVA |
|---|---|
| Enclosure | 10 / 20 / 30 / 40 / 45 ft container |
| Ingress protection | IP54 (IP55 optional) |
| Best suited to | Multi-set packages for remote camps |
Already running a Deutz set?
Deutz cooling fans, oil coolers, cylinder heads and the mechanical governors are the parts we ship most, and the air-cooled design keeps the parts count low.
Deutz sets, answered plainly
The three things buyers ask us most about this engine platform.
Fewer failure points in dusty or freezing conditions: no radiator, no coolant hoses, no water pump. The trade-off is a louder set and a steeper altitude derate.
Only with ducted inlet and outlet air sized to the fan flow. Without that the engine recirculates its own hot air and overheats within minutes.
The 912 and 913 families remain in production for non-regulated markets. Stage V work uses the TCD range instead.

