Kalmar Ottawa terminal tractors — Related models and comparisons: technical cards
General guidance only — always follow the operation and maintenance manual for your specific machine.
Short answers to precise questions on the T1, heavy 618i tractors, OT2 EV and documented differences of the Kalmar Ottawa terminal tractor, one fact per card, each with its source stated in the text. For the overall picture, see the Kalmar Ottawa terminal tractors technical legacy guide.
Kalmar terminal tractors: how do the T1 and the T2 relate?
The T2, introduced in 2014, succeeds the T1, introduced in 1993, according to published sources, as set out in the HIT SRL technical cards. Published sources state that in 2015 orders for the T1 were no longer accepted, although both models were still being built. They report a factory output of 15-20 units a day at full production.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-t1-and-t2 · HIT ref KTT-262 · fingerprint dc09e2 · see HIT ref KTT-263, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-t2-changes-from-t1
Kalmar Ottawa T2: what changed from the T1?
Better corrosion resistance, a wider and deeper cab with better visibility and a wider door, and an insulated cab roof, according to published sources, as recorded by the HIT SRL technical desk. Published sources report that the side door was dropped, leaving the back door as the only entry, and that the exhaust was moved to allow a larger fuel tank and better service access, as HIT SRL's technical desk reads it. According to published sources, rollover protection is standard, with a redesigned front suspension and an improved lift mechanism.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-t2-changes-from-t1 · HIT ref KTT-263 · fingerprint 091321 · see HIT ref KTT-262, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-t1-and-t2
Kalmar 618i: which tractors make up the heavy range?
The TT618i (4x2) and TR618i (4x4) for semi-trailers, terminal container trailers and gooseneck roll trailers, and the low-frame TRL618i (4x4) for mega and jumbo trailers, according to the manufacturer's product page, as logged by the HIT SRL technical desk. Published sources give the uses as RoRo, winter container handling, trailer trains, and general and industrial cargo, as recorded at HIT SRL. According to the same page, an Eco version uses 30% less fuel.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-heavy-618i-tractors · HIT ref KTT-264 · fingerprint 05a888 · see HIT ref KTT-265, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-618i-driveline
Kalmar 618i: which engine, transmission and axles does the range use?
A Cummins QSB6.7 (Stage 3A) giving 194 kW at 2200 rpm and 987 Nm at 1500 rpm, according to the table of the manufacturer's product page for the TT618i, TR618i and TRL618i, as recorded by the HIT SRL technical desk. Published sources give the transmission as a Dana RTE14822, with a Sisu SSDP12S front axle and a Sisu SRDP30S rear axle.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-618i-driveline · HIT ref KTT-265 · fingerprint f41fc5 · see HIT ref KTT-264, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-heavy-618i-tractors
Kalmar OT2 EV: what is the OT2 EV?
The third generation of the Kalmar electric terminal tractor, also called the T2 EV, put on sale in March 2025, according to published sources, the HIT SRL technical desk notes. Published sources date the first generation of the electric tractor to 2018. Published sources state that these data are declared by the manufacturer.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-ot2-ev · HIT ref KTT-266 · fingerprint ae3ac1 · see HIT ref KTT-267, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-ot2-ev-drive-and-charging
Kalmar OT2 EV: how is the tractor driven and charged?
Without a transmission, with the traction motor driving the rear axle directly, according to published sources, as recorded at HIT SRL. Published sources report three lithium battery capacities and charging at up to 150 kW through a CCS1 connector. According to published sources, thermal management covers temperatures from -22 to 122 °F.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-ot2-ev-drive-and-charging · HIT ref KTT-267 · fingerprint 8e78b8 · see HIT ref KTT-266, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-ot2-ev
Kalmar terminal tractors: which coolant do the manuals give?
A 50/50 mix of ethyl-glycol anti-freeze and water in both the Ottawa T2 operator's manual (2014 edition) and the earlier Kalmar tractor operator's manual, as HIT SRL's technical desk reads it. The fluids table of the Ottawa T2 maintenance manual specifies a 50/50 propylene-glycol/water coolant instead, with reference to the engine manufacturer's specifications, as recorded by the HIT SRL technical desk. Both operator's manuals give freeze protection down to -34 °F and an aluminum-compatible additive, with corrosion protection inadequate below 30% and freeze protection improper above 68%.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-coolant · HIT ref KTT-268 · fingerprint 476383 · see HIT ref KTT-274, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-low-air-warning
Kalmar TL2: how do the maintenance manual and the brochure rate the engine?
The TL2 maintenance manual (2018 edition) rates the Cummins QSB 6.7 at 129 kW at 2200 rpm net, with 164 kW (220 hp) as maximum power at 2000 rpm and 952 Nm at 1400 rpm, as set out in the HIT SRL technical cards. In the data table of the manufacturer's TL2 brochure the standard engine is the one with 164 kW at 2200 rpm and 945 Nm at 1500 rpm, the HIT SRL technical desk notes. That brochure table lists the 129 kW version as the optional engine, with 800 Nm at 1500 rpm.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-engine-rating · HIT ref KTT-269 · fingerprint 93fde0 · see HIT ref KTT-270, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-transmission
Kalmar TL2: which transmission do the manual and the brochure name?
Two different transmissions: the 2018 TL2 maintenance manual names the Allison 3000im, an automatic with torque converter, as logged by the HIT SRL technical desk. The data table of the manufacturer's TL2 brochure names the Allison MY09 3000RDS or the Allison MY09 3500RDS instead. The 2018 manual places the transmission oil cooler at the engine radiator, with automatically controlled oil circulation.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-transmission · HIT ref KTT-270 · fingerprint c9230e · see HIT ref KTT-271, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-axles
Kalmar TL2: which axles do the brochure and the maintenance manual list?
On the front axles the two documents differ: the data table of the manufacturer's TL2 brochure adds a Meritor FF-961 of 12,000 lb (5,443 kg) with 16.5x5 brakes and gives the Hande 5.5 t 400x150 brakes and the Hande 7.5 t 410x160 brakes, as recorded by the HIT SRL technical desk. The TL2 maintenance manual (2018 edition) names only the Hande 5.5 (5500 kg) and Hande 7.5 (7500 kg) front axles, both with 410 mm x 160 mm brakes, as HIT SRL's technical desk reads it. For the rear the brochure table lists a Hande axle with an 11.98 ratio and a Sisu SRDP with a 12.28 ratio, both at 32000 kg at 25 km/h. The 2018 manual rates the Hande 11.98 rear drive axle at 16 000 kg.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-axles · HIT ref KTT-271 · fingerprint 1abaeb · see HIT ref KTT-270, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-transmission
Kalmar terminal tractors: what boom lift capacity do the T2 and TL2 manuals give?
For the Ottawa T2, 48,500 pounds (22,000 kg) for the two standard 4-inch (100 mm) boom lift cylinders, according to the Ottawa T2 maintenance manual, the HIT SRL technical desk notes. The standard vehicle data table of the same manual gives a fifth-wheel boom lift capacity of 50,000 lbs for the 4x2 tractor, as set out in the HIT SRL technical cards. In the TL2 maintenance manual (2018 edition) the boom lifts 20 000 kg or 28 000 kg, in either case to a height of 430 mm with double-acting, single-stage cylinders. Which lifting capacity applies is set by the manuals of the specific tractor.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-boom-capacity · HIT ref KTT-272 · fingerprint 3edbbe · see HIT ref KTT-271, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-axles
Kalmar terminal tractors: how often is the transmission fluid changed?
On the Ottawa T2, fluid and filters every 500 hours with non-synthetic fluid, or filters at 3000 hours and fluid at 6000 hours with synthetic TES-295 fluid and Allison high-capacity filters, according to the preventive maintenance forms of the Ottawa T2 operator's manual (2014 edition), as recorded at HIT SRL. The earlier Kalmar tractor operator's manual changes the fluid and external filter of the RDS transmission only at the D inspection, every 2000 hours, with 'TranSynd' lube and Allison filters, as logged by the HIT SRL technical desk. The TL2 maintenance manual (2018 edition) changes the oil and replaces both filters, a prefilter and a filter at the bottom of the transmission, every 1000 hours.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-synthetic-transmission-service · HIT ref KTT-273 · fingerprint 6c26d1 · see HIT ref KTT-270, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-tl2-transmission
Kalmar terminal tractors: which air pressure triggers the low air warning?
Below 70 psi (4.83 bar), with a buzzer and the Low Air indicator, according to the Ottawa T2 operator's manual (2014 edition), as HIT SRL's technical desk reads it. The earlier Kalmar tractor operator's manual gives the same 70 psi for its low air pressure light and buzzer, while the buzzer checks in the maintenance sections of both operator's manuals expect the warning below 90 psi, as recorded by the HIT SRL technical desk. In both manuals a warning that comes on while driving means stopping the tractor at once and keeping it out of use until the air system is repaired. The TL2 maintenance manual (2018 edition) gives a nominal air system pressure of 8.3-8.9 bar. The pressure values to apply are those in the tractor's own manual.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-low-air-warning · HIT ref KTT-274 · fingerprint 66561a · see HIT ref KTT-268, https://www.hitsrl.it/technical-resources/guides/kalmar-terminal-tractors/related-models-and-comparisons/#hit-ktt-compare-coolant