Triton Power · TP-JD

Triton Power TP-JD440-T4F

440 kW standby / 400 kW prime · Diesel · Liquid-cooled

440 kW / 550 kVA Tier 4 Final diesel generator with John Deere 6135HFG84 engine. Turbocharged 13.5L inline-6 with Leroy Somer alternator for commercial and industrial standby.

Standby power
440 kW / 400 kW prime
Voltage options
120/208V, 277/480V
Frequency / Phase
60 Hz · 3-phase
Engine
John Deere 6135HFG84 · 13.5L
EPA / Emissions
Tier 4 Final
Alternator
Leroy Somer LSA46.3
CommercialManufacturing
Configure & QuoteDownload spec sheet

Overview#

The Triton Power TP-JD440-T4F is a 440 kW (550 kVA) diesel standby generator powered by the John Deere 6135HFG84 turbocharged six-cylinder engine with 13.5 L displacement. As the flagship of Triton's John Deere lineup, this unit extracts maximum output from the 6135 platform while maintaining EPA Tier 4 Final emissions compliance through integrated aftertreatment. The Leroy Somer alternator delivers reliable three-phase power at 1800 RPM.

Available in 120/208V and 277/480V three-phase configurations, the TP-JD440-T4F serves large commercial facilities, industrial plants, data centers, and healthcare campuses requiring Tier 4 Final compliance. The 550 kVA standby rating provides substantial reserve for motor starting and block loading.

Our service experience#

At 440 kW, the TP-JD440-T4F is the largest John Deere-powered unit in the Triton lineup and competes with the Cummins C500 D5 and Caterpillar C15-based packages. The John Deere 6135 platform benefits from a strong dealer network for parts and service, and the inline-six configuration is more compact than V-configuration alternatives at this power class. The Tier 4 Final aftertreatment adds maintenance requirements (DPF regeneration monitoring, DEF consumption for SCR), but is required for installations that do not qualify for emergency standby Tier 3 exemptions.

Engineering specifications

Physical

Length
167.8 in
Width
62.8 in
Height
98 in
Dry weight
9,500 lb

Acoustic

Sound @ 7m, full load
70 dBA

Fuel system & runtime

Integral fuel tank
269 gal
Fuel use @ full load
28 GPH
Fuel use @ 75% load
21.5 GPH
Fuel use @ 50% load
15 GPH

Ready to order this model?

Configure your Triton Power TP-JD440-T4F

Lock the enclosure, fuel system, transfer switch, and add-ons — we'll confirm pricing, availability, and lead time within one business day. Prefer a free-form quote? That option is still here.

Configure & Quote →Just request a quote

Estimate runtime for the Triton Power TP-JD440-T4F

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

Estimate runtime on this tank

Estimated runtime

12.5 hours(0.5 days)

Fuel consumption ≈ 21.60 GPH at 75% load. Estimate based on industry-typical 1800 RPM standby curves (≈0.07 GPH/kW at full load). Actual consumption varies by engine, ambient temperature, fuel quality, and tuning.

Frequently Asked Questions

What engine powers the TP-JD440-T4F?
The TP-JD440-T4F uses a John Deere 6135HFG84 turbocharged six-cylinder engine with 13.5 L displacement, running at 1800 RPM. This is John Deere's highest-output 6135 variant for generator applications, meeting EPA Tier 4 Final emissions standards.
How does this compare to the Tier 3 models at similar power levels?
The TP-JD440-T4F delivers 440 kW standby with Tier 4 Final compliance, compared to the Tier 3 TP-JD400-T3-UL at 400 kW. The Tier 4 Final designation adds DOC/DPF/SCR aftertreatment but enables compliance in applications where Tier 3 is not permitted, such as non-emergency or prime power installations.
What voltage configurations are available?
The generator is available in 120/208V and 277/480V three-phase configurations at 60 Hz. At 550 kVA standby, the unit supports high-inrush motor starting loads common in large commercial and industrial facilities.

Why we recommend Triton Power

Triton Power is our value brand for mobile and portable diesel generators, and an emerging option for industrial standby. When MQ Power's pricing is a stretch or lead times are too long, Triton delivers comparable capability at a lower price point with faster availability.

We are developing our Triton Power sales relationship and building fleet experience. Every engine platform Triton uses — Perkins, John Deere, Kubota, Scania, Volvo — is one we already service daily across other brands. Triton's open architecture means our technicians can maintain these units with standard tooling and widely available parts.

See all Triton Powergenerators →

Similar models

Triton Power

Triton Power TP-JD400-T3-UL

400 kW standby · Diesel · Liquid-cooled

400 kW / 500 kVA Tier 3 diesel generator with John Deere 6135HFG82 engine. Turbocharged 13.5L inline-6 with Leroy Somer alternator, UL2200-listed.

Tier 33-phasecommercial-standbyindustrial
Triton Power Triton Power TP-P400-T3-UL 400 kW liquid-cooled standby generator

Triton Power

Triton Power TP-P400-T3-UL

400 kW standby · Diesel · Liquid-cooled

400 kW Tier 3 diesel generator with Perkins 2206D-E13TAG3 engine. UL2200-listed for commercial, healthcare, and data center standby.

Tier 33-phasecommercial-standbyhealthcare
Triton Power Triton Power TP-V550-T4F 550 kW liquid-cooled standby generator

Triton Power

Triton Power TP-V550-T4F

550 kW standby · Diesel · Liquid-cooled

550 kW Tier 4 Final diesel generator with Volvo TWD1672GE engine. For commercial, industrial, and data center standby applications.

Tier 4 Final3-phasecommercial-standbyindustrial

Need service or parts for the Triton Power TP-JD440-T4F?

We service every major OEM and stock genuine parts for the most common models.

Get A QuoteOr call (831) 375-1463

Last reviewed: